diff --git a/.gitmodules b/.gitmodules
index 8e5e6aa21849c90c32b334a8a4f90f448e95b768..84de32a64a1bc973f9bab172c6fccff287d88dc5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "css/tufte-css"]
-	path = slides/css/tufte-css
+	path = slides_2020/css/tufte-css
 	url = https://github.com/edwardtufte/tufte-css.git
diff --git a/old_slides/base_X.md b/slides_2019/base_X.md
similarity index 100%
rename from old_slides/base_X.md
rename to slides_2019/base_X.md
diff --git a/old_slides/delaunay.md b/slides_2019/delaunay.md
similarity index 100%
rename from old_slides/delaunay.md
rename to slides_2019/delaunay.md
diff --git a/old_slides/ligne_commande.md b/slides_2019/ligne_commande.md
similarity index 100%
rename from old_slides/ligne_commande.md
rename to slides_2019/ligne_commande.md
diff --git a/old_slides/make.md b/slides_2019/make.md
similarity index 100%
rename from old_slides/make.md
rename to slides_2019/make.md
diff --git a/old_slides/oral.md b/slides_2019/oral.md
similarity index 100%
rename from old_slides/oral.md
rename to slides_2019/oral.md
diff --git a/old_slides/pointeurs_avances.md b/slides_2019/pointeurs_avances.md
similarity index 100%
rename from old_slides/pointeurs_avances.md
rename to slides_2019/pointeurs_avances.md
diff --git a/old_slides/strings.md b/slides_2019/strings.md
similarity index 100%
rename from old_slides/strings.md
rename to slides_2019/strings.md
diff --git a/old_slides/tests_assertions.md b/slides_2019/tests_assertions.md
similarity index 100%
rename from old_slides/tests_assertions.md
rename to slides_2019/tests_assertions.md
diff --git a/slides/.gitignore b/slides_2020/.gitignore
similarity index 100%
rename from slides/.gitignore
rename to slides_2020/.gitignore
diff --git a/slides_2020/Makefile b/slides_2020/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..876ee0a55fe1f71b4f6d0fea77653854d80cbc0c
--- /dev/null
+++ b/slides_2020/Makefile
@@ -0,0 +1,53 @@
+PDFOPTIONS = -t beamer
+PDFOPTIONS += -F mermaid-filter
+PDFOPTIONS += --highlight-style my_highlight.theme
+PDFOPTIONS += --pdf-engine pdflatex
+PDFOPTIONS += -V theme:metropolis
+PDFOPTIONS += -V themeoptions:numbering=none -V themeoptions:progressbar=foot
+PDFOPTIONS += -V fontsize=smaller
+PDFOPTIONS += -V urlcolor=blue
+
+REVEALOPTIONS = -t revealjs
+REVEALOPTIONS += -F mermaid-filter
+REVEALOPTIONS += --self-contained
+REVEALOPTIONS += -V revealjs-url=./reveal.js
+REVEALOPTIONS += -V theme=white
+REVEALOPTIONS += -V width=1920
+REVEALOPTIONS += -V margin=0
+REVEALOPTIONS += --slide-level=1
+
+MD=$(wildcard *.md) # Tous les fichiers .md
+HTML=$(MD:%.md=%.html) # Pour les fichier html on transforme .md -> .html
+PDF=$(MD:%.md=%.pdf) # Pour les fichier pdf on transforme .md -> .pdf
+MARKDOWN=$(MD:%.md=%.markdown) # Pour les fichier markdown on transforme .md -> .markdown
+
+# all: $(PDF) $(HTML) # La cible par défaut (all) exécute les cibles %.html et %.pdf
+all: $(PDF) 
+
+markdown: $(MARKDOWN) # La markdown les cibles %.markdown
+
+%.pdf: %.md metadata.yaml # %.pdf (chaque fichier %.md génère un fichier avec le même nom mais l'extension .pdf et la dépendance metadata.yaml)
+	pandoc -s $(OPTIONS) $(PDFOPTIONS) -o $@ $^
+
+%.html: %.md metadata.yaml
+	pandoc -s $(OPTIONS) $(REVEALOPTIONS) -o $@ $^
+
+%.markdown: %.md metadata.yaml yq
+	sed '1 { /^---/ { :a N; /\n---/! ba; d} }' $< > no_header
+	grep -v -F -x -f  no_header $< > header.yaml
+	echo "---" > tmp.yaml
+	./yq_linux_amd64 merge metadata.yaml header.yaml >> tmp.yaml
+	cat tmp.yaml no_header > $@
+	rm no_header header.yaml tmp.yaml
+
+yq: # On peut même télécharger un petit programme avec notre makefile
+	wget -nc https://github.com/mikefarah/yq/releases/download/3.4.1/yq_linux_amd64
+	chmod "u+x" yq_linux_amd64 
+
+deploy: all 
+	mkdir -p prog_seq_c_cours
+	cp *.pdf prog_seq_c_cours
+	cp *.html prog_seq_c_cours
+
+clean:
+	rm -f *.pdf *.html *.markdown yq_linux_amd64*
diff --git a/slides/base_1.md b/slides_2020/base_1.md
similarity index 100%
rename from slides/base_1.md
rename to slides_2020/base_1.md
diff --git a/slides/base_2.md b/slides_2020/base_2.md
similarity index 100%
rename from slides/base_2.md
rename to slides_2020/base_2.md
diff --git a/slides/base_3.md b/slides_2020/base_3.md
similarity index 100%
rename from slides/base_3.md
rename to slides_2020/base_3.md
diff --git a/slides/base_4.md b/slides_2020/base_4.md
similarity index 100%
rename from slides/base_4.md
rename to slides_2020/base_4.md
diff --git a/slides/base_5.md b/slides_2020/base_5.md
similarity index 100%
rename from slides/base_5.md
rename to slides_2020/base_5.md
diff --git a/slides/base_6.md b/slides_2020/base_6.md
similarity index 100%
rename from slides/base_6.md
rename to slides_2020/base_6.md
diff --git a/slides/base_7.md b/slides_2020/base_7.md
similarity index 100%
rename from slides/base_7.md
rename to slides_2020/base_7.md
diff --git a/slides/base_8.md b/slides_2020/base_8.md
similarity index 100%
rename from slides/base_8.md
rename to slides_2020/base_8.md
diff --git a/slides/bst.md b/slides_2020/bst.md
similarity index 100%
rename from slides/bst.md
rename to slides_2020/bst.md
diff --git a/slides_2020/command_line.md b/slides_2020/command_line.md
new file mode 100644
index 0000000000000000000000000000000000000000..2ef1f156b5e9d5d30ed6fb07a5c33528e3523465
--- /dev/null
+++ b/slides_2020/command_line.md
@@ -0,0 +1,216 @@
+---
+title: Introduction à la l'interface en ligne de commande
+date: 2021-09-21
+---
+
+# Introduction
+
+## Généralités
+
+* *Command line interface* (CLI) en anglais.
+* Interface textuelle vers l'ordinateur.
+* Peut s'appeler le *shell*, le *terminal*, la *console*, ...
+* Semble obscure, mais est très pratique (automatisation de tâches, copier-coller, ...).
+* Vous devrez l'utiliser tout au long de vos études.
+* Existe sous Linux, MacOS, et même Windows (les commandes peuvent varier!).
+* Ici on ne parlera que de *Linux*.
+
+# A quoi ça sert?
+
+## Équivalent textuel d'un GUI
+
+Toutes les informations obtenues avec une interface graphique, peuvent être obtenues à l'aide de la ligne de commande (liste loin d'être exhaustive):
+
+* Changement d'un répertoire: `cd`{.bash}
+* Affichage du contenu d'un répertoire: `ls`{.bash}
+* Déplacement de fichier: `mv`{.bash}
+* Copie de fichier: `cp`{.bash}
+* Création de répertoire: `mkdir`{.bash}
+* Recherche de fichier: `find`{.bash}
+* Recherche de texte dans un fichier: `grep`{.bash}
+* Etc, etc, etc, etc, etc
+
+## Mais aussi
+
+* Télécharger des documents, compiler, éditer des fichiers, ...
+
+# Ouvrir un terminal
+
+Dépendant de votre distribution de Linux l'ouverture d'un terminal peut varier.
+
+Ce qui marche *presque* tout le temps:
+
+1. Appuyer sur le bouton `Super` (`Windows`) du clavier.
+2. Commencer à taper "terminal".
+
+![](figs/terminal_open.png){width=100%}
+
+Raccourcis clavier:
+
+* `Ctrl+Alt+T`{.bash}
+* `Super+T`{.bash}
+* Vous pouvez customiser les raccourcis.
+
+# Une fois le terminal ouvert
+
+Vous pouvez taper des commandes puis `Entrée`.
+
+```bash
+$ pwd
+/home/orestis
+```
+
+Exemple: `pwd`{.bash} affiche le répertoire courant (**p**rint **w**orking **d**irectory).
+
+**Attention: les commandes sont sensibles à la casse!**
+
+Exemple: `cd`{.bash} change de répertoire (**c**hange **d**irectory).
+
+:::::::::::::: {.columns}
+
+::: {.column width="45%"}
+
+```bash
+$ pwd
+/home/orestis
+$ cd ..
+$ pwd
+/home
+```
+
+:::
+::: {.column width="45%"}
+
+```bash
+$ cd orestis
+$ pwd
+/home/orestis
+$ cd ../..
+$ pwd
+/
+```
+
+:::
+::::::::::::::
+
+# Remarque: chemins relatifs ou absolus
+
+Un *chemin* est relatif à moins que le chemin commence par `/` ou `~`.
+
+```bash
+$ pwd
+/home/orestis
+$ cd Downloads
+$ pwd
+/home/orestis/Downloads
+$ cd /tmp
+$ pwd
+/tmp
+$ cd ~/Downloads
+$ pwd
+/home/orestis/Downloads
+```
+
+# Ouvrir un éditeur de texte et éditer un ficher
+
+* Installer un éditeur de texte: `codium`, `vim`, `nvim`, ...
+* Ouvrir l'éditeur de texte (ici codium):
+
+    ```bash
+    $ codium
+    ```
+* Écrire `Hello World!` dans le fichier et sauver sous `cours.dat`.
+
+* Ou alors utiliser `nano`, `vi`, `nvim`, ...
+
+    ```bash
+    $ nano cours.dat
+    ```
+* Écrire `Hello World!` puis `Ctrl+X` et `Y`.
+
+# Quelques commandes utiles (1/3)
+
+## `mkdir`, création de répertoire
+
+```bash
+$ mkdir tmp
+$ cd tmp
+$ pwd
+/home/orestis/tmp
+```
+
+## `ls`, affiche le contenu d'un répertoire
+
+```bash
+$ ls
+Desktop  Documents  git  Music     Public     tmp
+Docker   Downloads  go   Pictures  Templates  Videos
+$ ls -ltr
+... # des répertoires
+drwxr-xr-x  3 orestis orestis 4096 31 aoû 09:54 Documents
+drwxr-xr-x 11 orestis orestis 4096  7 sep 15:59 Downloads
+drwxr-xr-x  2 orestis orestis 4096  9 sep 11:14 Pictures
+drwxr-xr-x  2 orestis orestis 4096  9 sep 12:41 tmp
+-rw-r--r--  1 orestis orestis    6  9 sep 12:52 cours.dat
+```
+
+# Quelques commandes utiles (2/3)
+
+## `cp`{.bash}, copie de fichiers/répertoires
+
+```bash
+$ cp cours.dat tmp/ # cp cours.dat -> tmp
+$ ls tmp # affiche le rép tmp
+cours.dat
+$ cp -r tmp tmp2 # option -r => recursive
+$ ls
+cours.dat  Docker     Downloads  go     Pictures  Templates  tmp2
+Desktop    Documents  git        Music  Public    tmp        Videos
+```
+
+## `mv`{.bash}, déplacement de fichiers/répertoires
+
+```bash
+$ ls tmp
+$ mv cours.dat tmp # déplace cours.dat -> tmp
+$ ls tmp
+cours.dat
+```
+
+# Quelques commandes utiles (3/3)
+
+## `rm`{.bash}, effacer des fichiers/répertoires
+
+```bash
+$ ls tmp
+cours.dat
+$ rm tmp/cours.dat
+$ ls tmp
+$ rm -r tmp tmp2
+$ ls
+Desktop  Documents  git  Music     Public     Videos
+Docker   Downloads  go   Pictures  Templates
+```
+
+# La touche `tab`{.bash}
+
+Probablement la touche la plus utile du clavier:
+
+* permet la complétion d'une commande.
+* permet la complétion d'un nom de fichier.
+* permet d'afficher les complétions possibles.
+
+Fait gagner un temps considérable.
+
+# Éditeurs de texte
+
+Il existe différents éditeurs de texte qui pourraient être utiles:
+
+* `vscode`{.bash} ou `codium`{.bash} (la version sans l'espionnage MS)
+* `vim`{.bash}
+* `geany`{.bash}
+* `gedit`{.bash}
+* ...
+
+Ne vous reposez pas trop sur l'éditeur pour tout faire à votre place.
+
diff --git a/slides/css/styling.css b/slides_2020/css/styling.css
similarity index 100%
rename from slides/css/styling.css
rename to slides_2020/css/styling.css
diff --git a/slides/css/tufte-css b/slides_2020/css/tufte-css
similarity index 100%
rename from slides/css/tufte-css
rename to slides_2020/css/tufte-css
diff --git a/slides/examen.md b/slides_2020/examen.md
similarity index 100%
rename from slides/examen.md
rename to slides_2020/examen.md
diff --git a/slides/figs/Bowyer-Watson_0.png b/slides_2020/figs/Bowyer-Watson_0.png
similarity index 100%
rename from slides/figs/Bowyer-Watson_0.png
rename to slides_2020/figs/Bowyer-Watson_0.png
diff --git a/slides/figs/Bowyer-Watson_1.png b/slides_2020/figs/Bowyer-Watson_1.png
similarity index 100%
rename from slides/figs/Bowyer-Watson_1.png
rename to slides_2020/figs/Bowyer-Watson_1.png
diff --git a/slides/figs/Bowyer-Watson_2.png b/slides_2020/figs/Bowyer-Watson_2.png
similarity index 100%
rename from slides/figs/Bowyer-Watson_2.png
rename to slides_2020/figs/Bowyer-Watson_2.png
diff --git a/slides/figs/Bowyer-Watson_3.png b/slides_2020/figs/Bowyer-Watson_3.png
similarity index 100%
rename from slides/figs/Bowyer-Watson_3.png
rename to slides_2020/figs/Bowyer-Watson_3.png
diff --git a/slides/figs/Bowyer-Watson_4.png b/slides_2020/figs/Bowyer-Watson_4.png
similarity index 100%
rename from slides/figs/Bowyer-Watson_4.png
rename to slides_2020/figs/Bowyer-Watson_4.png
diff --git a/slides/figs/Bowyer-Watson_6.png b/slides_2020/figs/Bowyer-Watson_6.png
similarity index 100%
rename from slides/figs/Bowyer-Watson_6.png
rename to slides_2020/figs/Bowyer-Watson_6.png
diff --git a/slides/figs/PointSetTriangulations.svg b/slides_2020/figs/PointSetTriangulations.svg
similarity index 100%
rename from slides/figs/PointSetTriangulations.svg
rename to slides_2020/figs/PointSetTriangulations.svg
diff --git a/slides/figs/compilation.svg b/slides_2020/figs/compilation.svg
similarity index 100%
rename from slides/figs/compilation.svg
rename to slides_2020/figs/compilation.svg
diff --git a/slides/figs/compilation_demo.svg b/slides_2020/figs/compilation_demo.svg
similarity index 100%
rename from slides/figs/compilation_demo.svg
rename to slides_2020/figs/compilation_demo.svg
diff --git a/slides/figs/compilation_plusieurs.svg b/slides_2020/figs/compilation_plusieurs.svg
similarity index 100%
rename from slides/figs/compilation_plusieurs.svg
rename to slides_2020/figs/compilation_plusieurs.svg
diff --git a/slides/figs/complex_makefile.svg b/slides_2020/figs/complex_makefile.svg
similarity index 100%
rename from slides/figs/complex_makefile.svg
rename to slides_2020/figs/complex_makefile.svg
diff --git a/slides/figs/double_pointeur.svg b/slides_2020/figs/double_pointeur.svg
similarity index 100%
rename from slides/figs/double_pointeur.svg
rename to slides_2020/figs/double_pointeur.svg
diff --git a/slides/figs/ex_makefile.svg b/slides_2020/figs/ex_makefile.svg
similarity index 100%
rename from slides/figs/ex_makefile.svg
rename to slides_2020/figs/ex_makefile.svg
diff --git a/slides/figs/ex_makefile_cible.svg b/slides_2020/figs/ex_makefile_cible.svg
similarity index 100%
rename from slides/figs/ex_makefile_cible.svg
rename to slides_2020/figs/ex_makefile_cible.svg
diff --git a/slides/figs/ex_makefile_dep.svg b/slides_2020/figs/ex_makefile_dep.svg
similarity index 100%
rename from slides/figs/ex_makefile_dep.svg
rename to slides_2020/figs/ex_makefile_dep.svg
diff --git a/slides/figs/ex_makefile_regle.svg b/slides_2020/figs/ex_makefile_regle.svg
similarity index 100%
rename from slides/figs/ex_makefile_regle.svg
rename to slides_2020/figs/ex_makefile_regle.svg
diff --git a/slides_2020/figs/matrix.png b/slides_2020/figs/matrix.png
new file mode 100644
index 0000000000000000000000000000000000000000..7fc07f4c8b426af6d9b873f349c832844d92cf50
Binary files /dev/null and b/slides_2020/figs/matrix.png differ
diff --git a/slides/figs/matrix_qr.png b/slides_2020/figs/matrix_qr.png
similarity index 100%
rename from slides/figs/matrix_qr.png
rename to slides_2020/figs/matrix_qr.png
diff --git a/slides/figs/memory.svg b/slides_2020/figs/memory.svg
similarity index 100%
rename from slides/figs/memory.svg
rename to slides_2020/figs/memory.svg
diff --git a/slides/figs/memory_deref.svg b/slides_2020/figs/memory_deref.svg
similarity index 100%
rename from slides/figs/memory_deref.svg
rename to slides_2020/figs/memory_deref.svg
diff --git a/slides/figs/pointer_arithmetics.svg b/slides_2020/figs/pointer_arithmetics.svg
similarity index 100%
rename from slides/figs/pointer_arithmetics.svg
rename to slides_2020/figs/pointer_arithmetics.svg
diff --git a/slides/figs/pointer_struct.svg b/slides_2020/figs/pointer_struct.svg
similarity index 100%
rename from slides/figs/pointer_struct.svg
rename to slides_2020/figs/pointer_struct.svg
diff --git a/slides/figs/pointer_struct_ok.svg b/slides_2020/figs/pointer_struct_ok.svg
similarity index 100%
rename from slides/figs/pointer_struct_ok.svg
rename to slides_2020/figs/pointer_struct_ok.svg
diff --git a/slides/figs/stackoverflow.png b/slides_2020/figs/stackoverflow.png
similarity index 100%
rename from slides/figs/stackoverflow.png
rename to slides_2020/figs/stackoverflow.png
diff --git a/slides/figs/terminal_open.png b/slides_2020/figs/terminal_open.png
similarity index 100%
rename from slides/figs/terminal_open.png
rename to slides_2020/figs/terminal_open.png
diff --git a/slides_2020/intro.md b/slides_2020/intro.md
new file mode 100644
index 0000000000000000000000000000000000000000..88282e279c565dc1a1d4933088a043f56ad8ce2a
--- /dev/null
+++ b/slides_2020/intro.md
@@ -0,0 +1,114 @@
+---
+title: Introduction générale
+date: 2021-09-21
+patat:
+    wrap: true
+    margins:
+        left: 10
+        right: 10
+...
+
+# La hotline
+
+Nom                    Mél                               Bureau
+--------------------   ------------------------------    --------------------
+Orphée Antoniadis      orphee.antoniadis@hesge.ch        I305
+Laurent Gantel         laurent.gantel@hesge.ch           I309
+Quentin Leblanc        quentin.leblanc@hesge.ch          A403
+Paul Albuquerque       paul.albuquerque@hesge.ch         B410
+Orestis Malaspinas     orestis.malaspinas@hesge.ch       A401
+--------------------   ------------------------------    --------------------
+
+Utilisez le libre service:
+
+* mardi: 12h-13h, mecredi: 12h-13h;
+* jeudi: 13h-14h, vendredi: 16h30-18h.
+
+
+# Communication
+
+Tout le contenu de ce qu'on raconte se trouve sur cyberlearn:
+
+- Algorithmes et structures de données
+  - <https://cyberlearn.hes-so.ch/course/view.php?id=13941>
+  - Clé d'inscription: algo_2021_22
+
+- Programmation Sequentielle en C
+  - <https://cyberlearn.hes-so.ch/course/view.php?id=12399>
+  - Clé d'inscription: prog_seq_2021_22
+* Espace de discussion 
+  [Matrix](https://matrix.to/#/!aKYVlcclmPGYXQFxAK:matrix.org?via=matrix.org), 
+  installez [element.io](https://element.io).
+
+    ![](figs/matrix_qr.png){width=20%}
+
+# Organisation du cours (1/3)
+
+## But: Illustration des concepts vus au cours d'algorithmique
+
+- Salle A501-2 pour la "théorie" (présentation langage et TPs).
+- Salles A406-A432-A433 pour la "pratique".
+
+## Le bâton
+
+- Présence en cours **obligatoire** (13h-16h45 tous les mercredis).
+
+## La carotte
+
+- Rare cours d'informatique de première.
+- Travaux pratiques amusants et stimulants.
+
+# Organisation du cours (2/3)
+
+- Travaux pratiques à faire en C.
+- Chaque séance est un nouveau travail pratique (typiquement d0une durée d'une 
+  séance).
+- Vous aurez à utiliser `git` sur <https://gitedu.dmz.hesge.ch/> (réseau 
+  interne)
+- **Utilisez uniquement Linux** (dual boot sur vos portables).
+- Les jeux vidéos sont pas une excuse pour pas avoir de linux.
+
+# Organisation du cours (3/3)
+
+- Les cours "théoriques" seront streamés sur 
+  <https://bbb.hepiapp.ch/b/ore-xff-hkz-poh>.
+- Ils seront également uploadés sur <https://tube.switch.ch/channels/f13ca21e>.
+- Il y a un certain nombre de ressources se trouvant sur <https://malaspinas.academy>.
+- Mon bureau est toujours ouvert (téléphonez quand vous êtes devant ou tapez *assez fort* sur la porte).
+- N'hésitez pas à utiliser le salon *Matrix*.
+
+# Évaluations
+
+## Deux examens sur machine
+
+- Seul devant votre ordinateur:
+- Avec à disposition le manuel du C.
+
+### Bonus
+
+- Si vous *validez* vos TPs vous pouvez obtenir +1 bonne sur la note d'un 
+  examen.
+- Validation:
+  - passez vers un enseignant (jeune) pour lui montrer que votre code marche 
+    jusqu'à la séance suivante.
+
+# Sondage: expérience de programmation
+
+## [Sondage: expérience de linux](https://cyberlearn.hes-so.ch/mod/evoting/view.php?id=1291283)
+
+## [Sondage: expérience de programmation](https://cyberlearn.hes-so.ch/mod/evoting/view.php?id=1035242)
+
+**Installez un lecteur de QR code s'il-vous-plaît.**
+
+# Questions?
+
+- N'hésitez pas à poser des *questions*, nous sommes là pour ça! [^1]
+- Ne restez pas coincés pendant des jours sur un problème.
+- Utilisez le *libre-service*!
+- N'hésitez pas à faire des *retours*: *négatifs* ou *positifs*.
+- Il est très tentant de faire les TPs en groupe, mais il est **primordial** de 
+  programmer vous-mêmes!
+
+[^1]: Chaque étudiant·e·s a un quota de 5 questions par semestre.
+
+
diff --git a/slides/make_avance.md b/slides_2020/make_avance.md
similarity index 100%
rename from slides/make_avance.md
rename to slides_2020/make_avance.md
diff --git a/slides_2020/metadata.yaml b/slides_2020/metadata.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..13a7a5e195c8f7814bac137dfa247ba2ab400e81
--- /dev/null
+++ b/slides_2020/metadata.yaml
@@ -0,0 +1,9 @@
+---
+subtitle: "Programmation séquentielle en C, 2021-2022"
+author: "Orestis Malaspinas (A401), ISC, HEPIA"
+institute: Inspirés des slides de F. Glück
+lang: fr-CH
+revealjs-url: /reveal.js
+mathjaxurl: "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS_HTML"
+---
+
diff --git a/slides/munit.md b/slides_2020/munit.md
similarity index 100%
rename from slides/munit.md
rename to slides_2020/munit.md
diff --git a/slides_2020/my_highlight.theme b/slides_2020/my_highlight.theme
new file mode 100644
index 0000000000000000000000000000000000000000..1d80b47b144ca30f252d27a32e3d3775267c7bbb
--- /dev/null
+++ b/slides_2020/my_highlight.theme
@@ -0,0 +1,204 @@
+{
+    "text-color": null,
+    "background-color": "#f0f0f0",
+    "line-number-color": "#aaaaaa",
+    "line-number-background-color": null,
+    "text-styles": {
+        "Other": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Attribute": {
+            "text-color": "#c4a000",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "SpecialString": {
+            "text-color": "#4e9a06",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Annotation": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": true,
+            "italic": true,
+            "underline": false
+        },
+        "Function": {
+            "text-color": "#000000",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "String": {
+            "text-color": "#4e9a06",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "ControlFlow": {
+            "text-color": "#204a87",
+            "background-color": null,
+            "bold": true,
+            "italic": false,
+            "underline": false
+        },
+        "Operator": {
+            "text-color": "#ce5c00",
+            "background-color": null,
+            "bold": true,
+            "italic": false,
+            "underline": false
+        },
+        "Error": {
+            "text-color": "#a40000",
+            "background-color": null,
+            "bold": true,
+            "italic": false,
+            "underline": false
+        },
+        "BaseN": {
+            "text-color": "#0000cf",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Alert": {
+            "text-color": "#ef2929",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Variable": {
+            "text-color": "#000000",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Extension": {
+            "text-color": null,
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Preprocessor": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": false,
+            "italic": true,
+            "underline": false
+        },
+        "Information": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": true,
+            "italic": true,
+            "underline": false
+        },
+        "VerbatimString": {
+            "text-color": "#4e9a06",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Warning": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": true,
+            "italic": true,
+            "underline": false
+        },
+        "Documentation": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": true,
+            "italic": true,
+            "underline": false
+        },
+        "Import": {
+            "text-color": null,
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Char": {
+            "text-color": "#4e9a06",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "DataType": {
+            "text-color": "#204a87",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Float": {
+            "text-color": "#0000cf",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Comment": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": false,
+            "italic": true,
+            "underline": false
+        },
+        "CommentVar": {
+            "text-color": "#8f5902",
+            "background-color": null,
+            "bold": true,
+            "italic": true,
+            "underline": false
+        },
+        "Constant": {
+            "text-color": "#000000",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "SpecialChar": {
+            "text-color": "#000000",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "DecVal": {
+            "text-color": "#0000cf",
+            "background-color": null,
+            "bold": false,
+            "italic": false,
+            "underline": false
+        },
+        "Keyword": {
+            "text-color": "#204a87",
+            "background-color": null,
+            "bold": true,
+            "italic": false,
+            "underline": false
+        }
+    }
+}
diff --git a/slides/oral.md b/slides_2020/oral.md
similarity index 100%
rename from slides/oral.md
rename to slides_2020/oral.md
diff --git a/slides/reveal.js/.gitignore b/slides_2020/reveal.js/.gitignore
similarity index 100%
rename from slides/reveal.js/.gitignore
rename to slides_2020/reveal.js/.gitignore
diff --git a/slides/reveal.js/.npmignore b/slides_2020/reveal.js/.npmignore
similarity index 100%
rename from slides/reveal.js/.npmignore
rename to slides_2020/reveal.js/.npmignore
diff --git a/slides/reveal.js/CONTRIBUTING.md b/slides_2020/reveal.js/CONTRIBUTING.md
similarity index 100%
rename from slides/reveal.js/CONTRIBUTING.md
rename to slides_2020/reveal.js/CONTRIBUTING.md
diff --git a/slides/reveal.js/LICENSE b/slides_2020/reveal.js/LICENSE
similarity index 100%
rename from slides/reveal.js/LICENSE
rename to slides_2020/reveal.js/LICENSE
diff --git a/slides/reveal.js/README.md b/slides_2020/reveal.js/README.md
similarity index 100%
rename from slides/reveal.js/README.md
rename to slides_2020/reveal.js/README.md
diff --git a/slides/reveal.js/css/layout.scss b/slides_2020/reveal.js/css/layout.scss
similarity index 100%
rename from slides/reveal.js/css/layout.scss
rename to slides_2020/reveal.js/css/layout.scss
diff --git a/slides/reveal.js/css/print/paper.scss b/slides_2020/reveal.js/css/print/paper.scss
similarity index 100%
rename from slides/reveal.js/css/print/paper.scss
rename to slides_2020/reveal.js/css/print/paper.scss
diff --git a/slides/reveal.js/css/print/pdf.scss b/slides_2020/reveal.js/css/print/pdf.scss
similarity index 100%
rename from slides/reveal.js/css/print/pdf.scss
rename to slides_2020/reveal.js/css/print/pdf.scss
diff --git a/slides/reveal.js/css/reveal.scss b/slides_2020/reveal.js/css/reveal.scss
similarity index 100%
rename from slides/reveal.js/css/reveal.scss
rename to slides_2020/reveal.js/css/reveal.scss
diff --git a/slides/reveal.js/css/theme/README.md b/slides_2020/reveal.js/css/theme/README.md
similarity index 100%
rename from slides/reveal.js/css/theme/README.md
rename to slides_2020/reveal.js/css/theme/README.md
diff --git a/slides/reveal.js/css/theme/source/beige.scss b/slides_2020/reveal.js/css/theme/source/beige.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/beige.scss
rename to slides_2020/reveal.js/css/theme/source/beige.scss
diff --git a/slides/reveal.js/css/theme/source/black.scss b/slides_2020/reveal.js/css/theme/source/black.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/black.scss
rename to slides_2020/reveal.js/css/theme/source/black.scss
diff --git a/slides/reveal.js/css/theme/source/blood.scss b/slides_2020/reveal.js/css/theme/source/blood.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/blood.scss
rename to slides_2020/reveal.js/css/theme/source/blood.scss
diff --git a/slides/reveal.js/css/theme/source/league.scss b/slides_2020/reveal.js/css/theme/source/league.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/league.scss
rename to slides_2020/reveal.js/css/theme/source/league.scss
diff --git a/slides/reveal.js/css/theme/source/moon.scss b/slides_2020/reveal.js/css/theme/source/moon.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/moon.scss
rename to slides_2020/reveal.js/css/theme/source/moon.scss
diff --git a/slides/reveal.js/css/theme/source/night.scss b/slides_2020/reveal.js/css/theme/source/night.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/night.scss
rename to slides_2020/reveal.js/css/theme/source/night.scss
diff --git a/slides/reveal.js/css/theme/source/serif.scss b/slides_2020/reveal.js/css/theme/source/serif.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/serif.scss
rename to slides_2020/reveal.js/css/theme/source/serif.scss
diff --git a/slides/reveal.js/css/theme/source/simple.scss b/slides_2020/reveal.js/css/theme/source/simple.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/simple.scss
rename to slides_2020/reveal.js/css/theme/source/simple.scss
diff --git a/slides/reveal.js/css/theme/source/sky.scss b/slides_2020/reveal.js/css/theme/source/sky.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/sky.scss
rename to slides_2020/reveal.js/css/theme/source/sky.scss
diff --git a/slides/reveal.js/css/theme/source/solarized.scss b/slides_2020/reveal.js/css/theme/source/solarized.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/solarized.scss
rename to slides_2020/reveal.js/css/theme/source/solarized.scss
diff --git a/slides/reveal.js/css/theme/source/white.scss b/slides_2020/reveal.js/css/theme/source/white.scss
similarity index 100%
rename from slides/reveal.js/css/theme/source/white.scss
rename to slides_2020/reveal.js/css/theme/source/white.scss
diff --git a/slides/reveal.js/css/theme/template/exposer.scss b/slides_2020/reveal.js/css/theme/template/exposer.scss
similarity index 100%
rename from slides/reveal.js/css/theme/template/exposer.scss
rename to slides_2020/reveal.js/css/theme/template/exposer.scss
diff --git a/slides/reveal.js/css/theme/template/mixins.scss b/slides_2020/reveal.js/css/theme/template/mixins.scss
similarity index 100%
rename from slides/reveal.js/css/theme/template/mixins.scss
rename to slides_2020/reveal.js/css/theme/template/mixins.scss
diff --git a/slides/reveal.js/css/theme/template/settings.scss b/slides_2020/reveal.js/css/theme/template/settings.scss
similarity index 100%
rename from slides/reveal.js/css/theme/template/settings.scss
rename to slides_2020/reveal.js/css/theme/template/settings.scss
diff --git a/slides/reveal.js/css/theme/template/theme.scss b/slides_2020/reveal.js/css/theme/template/theme.scss
similarity index 100%
rename from slides/reveal.js/css/theme/template/theme.scss
rename to slides_2020/reveal.js/css/theme/template/theme.scss
diff --git a/slides/reveal.js/dist/reset.css b/slides_2020/reveal.js/dist/reset.css
similarity index 100%
rename from slides/reveal.js/dist/reset.css
rename to slides_2020/reveal.js/dist/reset.css
diff --git a/slides/reveal.js/dist/reveal.css b/slides_2020/reveal.js/dist/reveal.css
similarity index 100%
rename from slides/reveal.js/dist/reveal.css
rename to slides_2020/reveal.js/dist/reveal.css
diff --git a/slides/reveal.js/dist/reveal.esm.js b/slides_2020/reveal.js/dist/reveal.esm.js
similarity index 100%
rename from slides/reveal.js/dist/reveal.esm.js
rename to slides_2020/reveal.js/dist/reveal.esm.js
diff --git a/slides/reveal.js/dist/reveal.js b/slides_2020/reveal.js/dist/reveal.js
similarity index 100%
rename from slides/reveal.js/dist/reveal.js
rename to slides_2020/reveal.js/dist/reveal.js
diff --git a/slides/reveal.js/dist/theme/beige.css b/slides_2020/reveal.js/dist/theme/beige.css
similarity index 100%
rename from slides/reveal.js/dist/theme/beige.css
rename to slides_2020/reveal.js/dist/theme/beige.css
diff --git a/slides/reveal.js/dist/theme/black.css b/slides_2020/reveal.js/dist/theme/black.css
similarity index 100%
rename from slides/reveal.js/dist/theme/black.css
rename to slides_2020/reveal.js/dist/theme/black.css
diff --git a/slides/reveal.js/dist/theme/blood.css b/slides_2020/reveal.js/dist/theme/blood.css
similarity index 100%
rename from slides/reveal.js/dist/theme/blood.css
rename to slides_2020/reveal.js/dist/theme/blood.css
diff --git a/slides/reveal.js/dist/theme/fonts/league-gothic/LICENSE b/slides_2020/reveal.js/dist/theme/fonts/league-gothic/LICENSE
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/league-gothic/LICENSE
rename to slides_2020/reveal.js/dist/theme/fonts/league-gothic/LICENSE
diff --git a/slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.css b/slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.css
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.css
rename to slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.css
diff --git a/slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.eot b/slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.eot
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.eot
rename to slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.eot
diff --git a/slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.ttf b/slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.ttf
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.ttf
rename to slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.ttf
diff --git a/slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.woff b/slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.woff
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/league-gothic/league-gothic.woff
rename to slides_2020/reveal.js/dist/theme/fonts/league-gothic/league-gothic.woff
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/LICENSE b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/LICENSE
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/LICENSE
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/LICENSE
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.eot b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.eot
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.eot
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.eot
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.ttf b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.ttf
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.ttf
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.ttf
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.woff b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.woff
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.woff
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-italic.woff
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.eot b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.eot
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.eot
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.eot
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.ttf b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.ttf
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.ttf
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.ttf
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.woff b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.woff
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.woff
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-regular.woff
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.eot b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.eot
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.eot
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.eot
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.ttf b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.ttf
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.ttf
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.ttf
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.woff b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.woff
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.woff
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.woff
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.eot b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.eot
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.eot
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.eot
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.ttf b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.ttf
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.ttf
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.ttf
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.woff b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.woff
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.woff
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.woff
diff --git a/slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro.css b/slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro.css
similarity index 100%
rename from slides/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro.css
rename to slides_2020/reveal.js/dist/theme/fonts/source-sans-pro/source-sans-pro.css
diff --git a/slides/reveal.js/dist/theme/league.css b/slides_2020/reveal.js/dist/theme/league.css
similarity index 100%
rename from slides/reveal.js/dist/theme/league.css
rename to slides_2020/reveal.js/dist/theme/league.css
diff --git a/slides/reveal.js/dist/theme/moon.css b/slides_2020/reveal.js/dist/theme/moon.css
similarity index 100%
rename from slides/reveal.js/dist/theme/moon.css
rename to slides_2020/reveal.js/dist/theme/moon.css
diff --git a/slides/reveal.js/dist/theme/night.css b/slides_2020/reveal.js/dist/theme/night.css
similarity index 100%
rename from slides/reveal.js/dist/theme/night.css
rename to slides_2020/reveal.js/dist/theme/night.css
diff --git a/slides/reveal.js/dist/theme/serif.css b/slides_2020/reveal.js/dist/theme/serif.css
similarity index 100%
rename from slides/reveal.js/dist/theme/serif.css
rename to slides_2020/reveal.js/dist/theme/serif.css
diff --git a/slides/reveal.js/dist/theme/simple.css b/slides_2020/reveal.js/dist/theme/simple.css
similarity index 100%
rename from slides/reveal.js/dist/theme/simple.css
rename to slides_2020/reveal.js/dist/theme/simple.css
diff --git a/slides/reveal.js/dist/theme/sky.css b/slides_2020/reveal.js/dist/theme/sky.css
similarity index 100%
rename from slides/reveal.js/dist/theme/sky.css
rename to slides_2020/reveal.js/dist/theme/sky.css
diff --git a/slides/reveal.js/dist/theme/solarized.css b/slides_2020/reveal.js/dist/theme/solarized.css
similarity index 100%
rename from slides/reveal.js/dist/theme/solarized.css
rename to slides_2020/reveal.js/dist/theme/solarized.css
diff --git a/slides/reveal.js/dist/theme/white.css b/slides_2020/reveal.js/dist/theme/white.css
similarity index 100%
rename from slides/reveal.js/dist/theme/white.css
rename to slides_2020/reveal.js/dist/theme/white.css
diff --git a/slides/reveal.js/gulpfile.js b/slides_2020/reveal.js/gulpfile.js
similarity index 100%
rename from slides/reveal.js/gulpfile.js
rename to slides_2020/reveal.js/gulpfile.js
diff --git a/slides/reveal.js/js/components/playback.js b/slides_2020/reveal.js/js/components/playback.js
similarity index 100%
rename from slides/reveal.js/js/components/playback.js
rename to slides_2020/reveal.js/js/components/playback.js
diff --git a/slides/reveal.js/js/config.js b/slides_2020/reveal.js/js/config.js
similarity index 100%
rename from slides/reveal.js/js/config.js
rename to slides_2020/reveal.js/js/config.js
diff --git a/slides/reveal.js/js/controllers/autoanimate.js b/slides_2020/reveal.js/js/controllers/autoanimate.js
similarity index 100%
rename from slides/reveal.js/js/controllers/autoanimate.js
rename to slides_2020/reveal.js/js/controllers/autoanimate.js
diff --git a/slides/reveal.js/js/controllers/backgrounds.js b/slides_2020/reveal.js/js/controllers/backgrounds.js
similarity index 100%
rename from slides/reveal.js/js/controllers/backgrounds.js
rename to slides_2020/reveal.js/js/controllers/backgrounds.js
diff --git a/slides/reveal.js/js/controllers/controls.js b/slides_2020/reveal.js/js/controllers/controls.js
similarity index 100%
rename from slides/reveal.js/js/controllers/controls.js
rename to slides_2020/reveal.js/js/controllers/controls.js
diff --git a/slides/reveal.js/js/controllers/focus.js b/slides_2020/reveal.js/js/controllers/focus.js
similarity index 100%
rename from slides/reveal.js/js/controllers/focus.js
rename to slides_2020/reveal.js/js/controllers/focus.js
diff --git a/slides/reveal.js/js/controllers/fragments.js b/slides_2020/reveal.js/js/controllers/fragments.js
similarity index 100%
rename from slides/reveal.js/js/controllers/fragments.js
rename to slides_2020/reveal.js/js/controllers/fragments.js
diff --git a/slides/reveal.js/js/controllers/keyboard.js b/slides_2020/reveal.js/js/controllers/keyboard.js
similarity index 100%
rename from slides/reveal.js/js/controllers/keyboard.js
rename to slides_2020/reveal.js/js/controllers/keyboard.js
diff --git a/slides/reveal.js/js/controllers/location.js b/slides_2020/reveal.js/js/controllers/location.js
similarity index 100%
rename from slides/reveal.js/js/controllers/location.js
rename to slides_2020/reveal.js/js/controllers/location.js
diff --git a/slides/reveal.js/js/controllers/notes.js b/slides_2020/reveal.js/js/controllers/notes.js
similarity index 100%
rename from slides/reveal.js/js/controllers/notes.js
rename to slides_2020/reveal.js/js/controllers/notes.js
diff --git a/slides/reveal.js/js/controllers/overview.js b/slides_2020/reveal.js/js/controllers/overview.js
similarity index 100%
rename from slides/reveal.js/js/controllers/overview.js
rename to slides_2020/reveal.js/js/controllers/overview.js
diff --git a/slides/reveal.js/js/controllers/plugins.js b/slides_2020/reveal.js/js/controllers/plugins.js
similarity index 100%
rename from slides/reveal.js/js/controllers/plugins.js
rename to slides_2020/reveal.js/js/controllers/plugins.js
diff --git a/slides/reveal.js/js/controllers/pointer.js b/slides_2020/reveal.js/js/controllers/pointer.js
similarity index 100%
rename from slides/reveal.js/js/controllers/pointer.js
rename to slides_2020/reveal.js/js/controllers/pointer.js
diff --git a/slides/reveal.js/js/controllers/print.js b/slides_2020/reveal.js/js/controllers/print.js
similarity index 100%
rename from slides/reveal.js/js/controllers/print.js
rename to slides_2020/reveal.js/js/controllers/print.js
diff --git a/slides/reveal.js/js/controllers/progress.js b/slides_2020/reveal.js/js/controllers/progress.js
similarity index 100%
rename from slides/reveal.js/js/controllers/progress.js
rename to slides_2020/reveal.js/js/controllers/progress.js
diff --git a/slides/reveal.js/js/controllers/slidecontent.js b/slides_2020/reveal.js/js/controllers/slidecontent.js
similarity index 100%
rename from slides/reveal.js/js/controllers/slidecontent.js
rename to slides_2020/reveal.js/js/controllers/slidecontent.js
diff --git a/slides/reveal.js/js/controllers/slidenumber.js b/slides_2020/reveal.js/js/controllers/slidenumber.js
similarity index 100%
rename from slides/reveal.js/js/controllers/slidenumber.js
rename to slides_2020/reveal.js/js/controllers/slidenumber.js
diff --git a/slides/reveal.js/js/controllers/touch.js b/slides_2020/reveal.js/js/controllers/touch.js
similarity index 100%
rename from slides/reveal.js/js/controllers/touch.js
rename to slides_2020/reveal.js/js/controllers/touch.js
diff --git a/slides/reveal.js/js/index.js b/slides_2020/reveal.js/js/index.js
similarity index 100%
rename from slides/reveal.js/js/index.js
rename to slides_2020/reveal.js/js/index.js
diff --git a/slides/reveal.js/js/reveal.js b/slides_2020/reveal.js/js/reveal.js
similarity index 100%
rename from slides/reveal.js/js/reveal.js
rename to slides_2020/reveal.js/js/reveal.js
diff --git a/slides/reveal.js/js/utils/color.js b/slides_2020/reveal.js/js/utils/color.js
similarity index 100%
rename from slides/reveal.js/js/utils/color.js
rename to slides_2020/reveal.js/js/utils/color.js
diff --git a/slides/reveal.js/js/utils/constants.js b/slides_2020/reveal.js/js/utils/constants.js
similarity index 100%
rename from slides/reveal.js/js/utils/constants.js
rename to slides_2020/reveal.js/js/utils/constants.js
diff --git a/slides/reveal.js/js/utils/device.js b/slides_2020/reveal.js/js/utils/device.js
similarity index 100%
rename from slides/reveal.js/js/utils/device.js
rename to slides_2020/reveal.js/js/utils/device.js
diff --git a/slides/reveal.js/js/utils/loader.js b/slides_2020/reveal.js/js/utils/loader.js
similarity index 100%
rename from slides/reveal.js/js/utils/loader.js
rename to slides_2020/reveal.js/js/utils/loader.js
diff --git a/slides/reveal.js/js/utils/util.js b/slides_2020/reveal.js/js/utils/util.js
similarity index 100%
rename from slides/reveal.js/js/utils/util.js
rename to slides_2020/reveal.js/js/utils/util.js
diff --git a/slides/reveal.js/package-lock.json b/slides_2020/reveal.js/package-lock.json
similarity index 100%
rename from slides/reveal.js/package-lock.json
rename to slides_2020/reveal.js/package-lock.json
diff --git a/slides/reveal.js/package.json b/slides_2020/reveal.js/package.json
similarity index 100%
rename from slides/reveal.js/package.json
rename to slides_2020/reveal.js/package.json
diff --git a/slides/reveal.js/plugin/highlight/highlight.esm.js b/slides_2020/reveal.js/plugin/highlight/highlight.esm.js
similarity index 100%
rename from slides/reveal.js/plugin/highlight/highlight.esm.js
rename to slides_2020/reveal.js/plugin/highlight/highlight.esm.js
diff --git a/slides/reveal.js/plugin/highlight/highlight.js b/slides_2020/reveal.js/plugin/highlight/highlight.js
similarity index 100%
rename from slides/reveal.js/plugin/highlight/highlight.js
rename to slides_2020/reveal.js/plugin/highlight/highlight.js
diff --git a/slides/reveal.js/plugin/highlight/monokai.css b/slides_2020/reveal.js/plugin/highlight/monokai.css
similarity index 100%
rename from slides/reveal.js/plugin/highlight/monokai.css
rename to slides_2020/reveal.js/plugin/highlight/monokai.css
diff --git a/slides/reveal.js/plugin/highlight/plugin.js b/slides_2020/reveal.js/plugin/highlight/plugin.js
similarity index 100%
rename from slides/reveal.js/plugin/highlight/plugin.js
rename to slides_2020/reveal.js/plugin/highlight/plugin.js
diff --git a/slides/reveal.js/plugin/highlight/zenburn.css b/slides_2020/reveal.js/plugin/highlight/zenburn.css
similarity index 100%
rename from slides/reveal.js/plugin/highlight/zenburn.css
rename to slides_2020/reveal.js/plugin/highlight/zenburn.css
diff --git a/slides/reveal.js/plugin/markdown/markdown.esm.js b/slides_2020/reveal.js/plugin/markdown/markdown.esm.js
similarity index 100%
rename from slides/reveal.js/plugin/markdown/markdown.esm.js
rename to slides_2020/reveal.js/plugin/markdown/markdown.esm.js
diff --git a/slides/reveal.js/plugin/markdown/markdown.js b/slides_2020/reveal.js/plugin/markdown/markdown.js
similarity index 100%
rename from slides/reveal.js/plugin/markdown/markdown.js
rename to slides_2020/reveal.js/plugin/markdown/markdown.js
diff --git a/slides/reveal.js/plugin/markdown/plugin.js b/slides_2020/reveal.js/plugin/markdown/plugin.js
similarity index 100%
rename from slides/reveal.js/plugin/markdown/plugin.js
rename to slides_2020/reveal.js/plugin/markdown/plugin.js
diff --git a/slides/reveal.js/plugin/math/math.esm.js b/slides_2020/reveal.js/plugin/math/math.esm.js
similarity index 100%
rename from slides/reveal.js/plugin/math/math.esm.js
rename to slides_2020/reveal.js/plugin/math/math.esm.js
diff --git a/slides/reveal.js/plugin/math/math.js b/slides_2020/reveal.js/plugin/math/math.js
similarity index 100%
rename from slides/reveal.js/plugin/math/math.js
rename to slides_2020/reveal.js/plugin/math/math.js
diff --git a/slides/reveal.js/plugin/math/plugin.js b/slides_2020/reveal.js/plugin/math/plugin.js
similarity index 100%
rename from slides/reveal.js/plugin/math/plugin.js
rename to slides_2020/reveal.js/plugin/math/plugin.js
diff --git a/slides/reveal.js/plugin/notes/notes.esm.js b/slides_2020/reveal.js/plugin/notes/notes.esm.js
similarity index 100%
rename from slides/reveal.js/plugin/notes/notes.esm.js
rename to slides_2020/reveal.js/plugin/notes/notes.esm.js
diff --git a/slides/reveal.js/plugin/notes/notes.js b/slides_2020/reveal.js/plugin/notes/notes.js
similarity index 100%
rename from slides/reveal.js/plugin/notes/notes.js
rename to slides_2020/reveal.js/plugin/notes/notes.js
diff --git a/slides/reveal.js/plugin/notes/plugin.js b/slides_2020/reveal.js/plugin/notes/plugin.js
similarity index 100%
rename from slides/reveal.js/plugin/notes/plugin.js
rename to slides_2020/reveal.js/plugin/notes/plugin.js
diff --git a/slides/reveal.js/plugin/search/plugin.js b/slides_2020/reveal.js/plugin/search/plugin.js
similarity index 100%
rename from slides/reveal.js/plugin/search/plugin.js
rename to slides_2020/reveal.js/plugin/search/plugin.js
diff --git a/slides/reveal.js/plugin/search/search.esm.js b/slides_2020/reveal.js/plugin/search/search.esm.js
similarity index 100%
rename from slides/reveal.js/plugin/search/search.esm.js
rename to slides_2020/reveal.js/plugin/search/search.esm.js
diff --git a/slides/reveal.js/plugin/search/search.js b/slides_2020/reveal.js/plugin/search/search.js
similarity index 100%
rename from slides/reveal.js/plugin/search/search.js
rename to slides_2020/reveal.js/plugin/search/search.js
diff --git a/slides/reveal.js/plugin/zoom/plugin.js b/slides_2020/reveal.js/plugin/zoom/plugin.js
similarity index 100%
rename from slides/reveal.js/plugin/zoom/plugin.js
rename to slides_2020/reveal.js/plugin/zoom/plugin.js
diff --git a/slides/reveal.js/plugin/zoom/zoom.esm.js b/slides_2020/reveal.js/plugin/zoom/zoom.esm.js
similarity index 100%
rename from slides/reveal.js/plugin/zoom/zoom.esm.js
rename to slides_2020/reveal.js/plugin/zoom/zoom.esm.js
diff --git a/slides/reveal.js/plugin/zoom/zoom.js b/slides_2020/reveal.js/plugin/zoom/zoom.js
similarity index 100%
rename from slides/reveal.js/plugin/zoom/zoom.js
rename to slides_2020/reveal.js/plugin/zoom/zoom.js
diff --git a/slides/tdd.md b/slides_2020/tdd.md
similarity index 100%
rename from slides/tdd.md
rename to slides_2020/tdd.md