nvim: Refactor, fixes and cleanup
nvim: Refactor, fixes and cleanup

The idea here is to use nvim more like a second editor for when I don't
want a full instance of Emacs.

So nvim now has almost no features to reproduce an IDE and instead it is
a more simply smart text editor.

m45t3r/dotfiles,m45t3r/dotfiles,m45t3r/dotfiles