Update hyprland to latest tagged release
Move hyprland config inside nix expression so variable substitution can
be used
Use kanshi to completely control monitor config
nvim repo has been converted to flake for easier inclusion but still
stand-alone for non-nix systems
Move tokyonight repo fetch to flake input to keep consistent and reduce
multiple fetch calls
Reduce complexity and in flake.nix and be more efficient in re-using
things
Removed some reduandant files in home/ and tidied up the structure
somewhat
Moved things from desktop, gui, etc... to top level
Changed env to shell, indiv shell expressions import relevant others