move generated stubs to separate directory, too messty

django-stubs-generated/core/checks/caches.pyi

@@ -0,0 +1,9 @@
+from typing import Any, List, Optional
+
+from django.core.checks.messages import Error
+
+E001: Any
+
+def check_default_cache_is_configured(
+    app_configs: None, **kwargs: Any
+) -> List[Error]: ...