Initial commit. Basic models mostly done.

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

@@ -0,0 +1,11 @@
+from django.apps import AppConfig
+from django.core import serializers
+from django.utils.translation import gettext_lazy as _
+
+
+class GISConfig(AppConfig):
+    name = 'django.contrib.gis'
+    verbose_name = _("GIS")
+
+    def ready(self):
+        serializers.BUILTIN_SERIALIZERS.setdefault('geojson', 'django.contrib.gis.serializers.geojson')