Misc: Add nixfmt-tree and run nix fmt

modules/programs/catppuccin.nix

@@ -38,9 +38,9 @@
         hyprcursor.size = size;
       };
 
-#   wayland.windowManager.hyprland.settings.exec-once = [
-#     "hyprctl setcursor catppuccin-mocha-mauve-cursors 24"
-#   ];
+    #   wayland.windowManager.hyprland.settings.exec-once = [
+    #     "hyprctl setcursor catppuccin-mocha-mauve-cursors 24"
+    #   ];
 
     catppuccin.enable = true;
     # Required for QT apps to use the catppuccin colors