Initial commit. Basic models mostly done.

venv/lib/python3.8/site-packages/django/contrib/sites/apps.py

@@ -0,0 +1,13 @@
+from django.apps import AppConfig
+from django.db.models.signals import post_migrate
+from django.utils.translation import gettext_lazy as _
+
+from .management import create_default_site
+
+
+class SitesConfig(AppConfig):
+    name = 'django.contrib.sites'
+    verbose_name = _("Sites")
+
+    def ready(self):
+        post_migrate.connect(create_default_site, sender=self)