updated to slides most files

slides/make.md

slides/oral.md

slides/pointeurs_avances.md

slides/reveal.js/.gitignore

slides/reveal.js/.npmignore

slides/reveal.js/CONTRIBUTING.md

slides/reveal.js/LICENSE

slides/reveal.js/README.md

slides/reveal.js/css/layout.scss

slides/reveal.js/css/print/paper.scss

slides/reveal.js/css/print/pdf.scss

slides/reveal.js/css/reveal.scss

slides/reveal.js/css/theme/README.md

slides/reveal.js/css/theme/source/beige.scss

slides/reveal.js/css/theme/source/black.scss

slides/reveal.js/css/theme/source/blood.scss

slides/reveal.js/css/theme/source/league.scss

slides/reveal.js/css/theme/source/moon.scss

slides/reveal.js/css/theme/source/night.scss

slides/reveal.js/css/theme/source/serif.scss