move generated stubs to separate directory, too messty

django-stubs-generated/contrib/messages/context_processors.pyi

@@ -0,0 +1,9 @@
+from typing import Any, Dict, List, Optional, Union
+
+from django.contrib.messages.storage.base import BaseStorage
+from django.http.request import HttpRequest
+
+
+def messages(
+    request: HttpRequest
+) -> Dict[str, Union[Dict[str, int], List[Any], BaseStorage]]: ...