Run `nix fmt` at the root of the repository to format all files. I've
done this on my fork and this will help me merge your changes later
without having to deal with un-formatted files.
- Fixed Luanne, as it was not configured correctly after the last
refactor (should've tested it correctly)
- Fixed small issue with separator in neo-tree
- Remove EOB character
Updated some plugins to use custom git and diagnostic symbols, also
changed the line number color to match my system highlight color
(catppuccin peach).
