Refactor fixtures from JSON to Python

src/registrar/management/commands/load.py

@@ -0,0 +1,18 @@
+import logging
+
+from django.core.management.base import BaseCommand
+from auditlog.context import disable_auditlog  # type: ignore
+
+from registrar.fixtures import UserFixture, DomainApplicationFixture
+
+logger = logging.getLogger(__name__)
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+        # django-auditlog has some bugs with fixtures
+        # https://github.com/jazzband/django-auditlog/issues/17
+        with disable_auditlog():
+            UserFixture.load()
+            DomainApplicationFixture.load()
+            logger.info("All fixtures loaded.")