disable user registration

forgejo.nix

@@ -47,7 +47,7 @@ in
         HTTP_PORT = 3000;
       };
       # You can temporarily allow registration to create an admin user.
-#      service.DISABLE_REGISTRATION = true;
+      service.DISABLE_REGISTRATION = true;
       # Add support for actions, based on act: https://github.com/nektos/act
       actions = {
         ENABLED = true;