move generated stubs to separate directory, too messty

django-stubs-generated/contrib/sessions/management/commands/clearsessions.pyi

@@ -0,0 +1,11 @@
+from typing import Any, Optional
+
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    stderr: django.core.management.base.OutputWrapper
+    stdout: django.core.management.base.OutputWrapper
+    style: django.core.management.color.Style
+    help: str = ...
+    def handle(self, **options: Any) -> None: ...