mv mullvad to module

modules/nix/groups/desktop.nix

@@ -23,6 +23,7 @@ in
       element.enable = true;
       webcord.enable = true;
       sddm.enable = true;
+      mullvad.enable = true;
     };
   };
 }

modules/nix/groups/laptop.nix

@@ -23,6 +23,7 @@ in
       webcord.enable = true;
       element.enable = true;
       sddm.enable = true;
+      mullvad.enable = true;
     };
     services.logind.lidSwitch = "ignore";
   };