mv thunderbird to modules

modules/nix/groups/desktop.nix

@@ -26,6 +26,7 @@ in
       mullvad.enable = true;
       gui-utilities.enable = true;
       mouse.enable = true;
+      thunderbird.enable = true;
     };
   };
 }

modules/nix/groups/laptop.nix

@@ -26,6 +26,7 @@ in
       mullvad.enable = true;
       gui-utilities.enable = true;
       mouse.enable = true;
+      thunderbird.enable = true;
     };
     services.logind.lidSwitch = "ignore";
   };