feat: Implement MFA authentication, add ride statistics model, and update various services, APIs, and tests across the application.

backend/apps/lists/models.py

@@ -1,10 +1,12 @@
-from django.db import models
+import pghistory
 from django.conf import settings
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
-from apps.core.history import TrackedModel
+from django.db import models
+
 from apps.core.choices import RichChoiceField
-import pghistory
+from apps.core.history import TrackedModel
+
 
 @pghistory.track()
 class UserList(TrackedModel):