refactor: modularize the configuration

chore: remove unnecessary code, use modules instead of imports, split files

feat: minor changes

feat: add instantswitch gnome 45 extension

feat: use newest paperwm extension for gnome 44

chore: update PaperWM

feat: add gnome switcher extension

feat: add gnome extensions, tiling keybindings

chore: split default xserver configuration to desktop/default

Split gdm de to separate nix file

fix: fix issues

fix: fix issues

feat: add initial configurations