move generated stubs to separate directory, too messty

django-stubs-generated/contrib/messages/storage/__init__.pyi

@@ -0,0 +1,7 @@
+from typing import Any, Optional
+
+from django.contrib.messages.storage.base import BaseStorage
+from django.http.request import HttpRequest
+
+
+def default_storage(request: HttpRequest) -> BaseStorage: ...