NOTE: This is for AstroNvim v4+
mv ~/.config/nvim ~/.config/nvim.bak
mv ~/.local/share/nvim ~/.local/share/nvim.bak
mv ~/.local/state/nvim ~/.local/state/nvim.bak
mv ~/.cache/nvim ~/.cache/nvim.bak
git clone https://github.com/wmeints/astronvim-config ~/.config/nvim
nvim