Initial commit. Basic models mostly done.

venv/lib/python3.8/site-packages/django/contrib/postgres/functions.py

@@ -0,0 +1,11 @@
+from django.db.models import DateTimeField, Func, UUIDField
+
+
+class RandomUUID(Func):
+    template = 'GEN_RANDOM_UUID()'
+    output_field = UUIDField()
+
+
+class TransactionNow(Func):
+    template = 'CURRENT_TIMESTAMP'
+    output_field = DateTimeField()