🖌️ Goodbye Stylix

- Added theming to Btop
- Added theming to Nvim and removed bufferline plugin
- Added mode to theme.nix to change from light theme to dark theme
- Replaced Starship theme with Catppuccin starship theme
- Added QT platformtheme ENV
- Moved wallpapers into wallpaper dir
- Replaced image of desktop1 with more up to date one

modules/gnome/nautilus.nix

@@ -10,6 +10,6 @@ in
 
   programs.nautilus-open-any-terminal = {
     enable = true;
-    terminal = common.terminal;
+    terminal = common.default.terminal;
   };
 }