move generated stubs to separate directory, too messty

django-stubs-generated/conf/urls/i18n.pyi

@@ -0,0 +1,11 @@
+from typing import Any, List, Optional, Tuple, Union
+
+from django.urls.resolvers import URLPattern, URLResolver
+
+
+def i18n_patterns(
+    *urls: Any, prefix_default_language: bool = ...
+) -> Union[List[List[Any]], List[URLPattern], List[URLResolver]]: ...
+def is_language_prefix_patterns_used(urlconf: str) -> Tuple[bool, bool]: ...
+
+urlpatterns: Any