feat: added readme

README.md

+# NeoVim configuration
+
+## Neovim installation process (Arch based distros)
+
+```bash
+sudo pacman -S neovim
+```
+
+## Removing previous config
+
+**I highly encourage you to backup your previous configuration that should be
+located at `$HOME/.config/nvim`**
+
+```bash
+rm -rf ~/.config/nvim
+rm -rf ~/.local/share/nvim
+```
+
+## Using my config
+
+```bash
+git clone https://gitedu.hesge.ch/iliya.saroukha/nvim_config.git ~/.config/nvim
+```