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

backend/apps/reviews/models.py

@@ -1,9 +1,11 @@
-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 django.db import models
+
 from apps.core.history import TrackedModel
-import pghistory
+
 
 @pghistory.track()
 class Review(TrackedModel):
@@ -13,7 +15,7 @@ class Review(TrackedModel):
         related_name="reviews",
         help_text="User who wrote the review",
     )
-    
+
     # Generic relation to target object (Park, Ride, etc.)
     content_type = models.ForeignKey(
         ContentType,
@@ -30,14 +32,14 @@ class Review(TrackedModel):
         db_index=True,
     )
     text = models.TextField(blank=True, help_text="Review text (optional)")
-    
+
     # Metadata
     is_public = models.BooleanField(
-        default=True, 
+        default=True,
         help_text="Whether this review is visible to others"
     )
     helpful_votes = models.PositiveIntegerField(
-        default=0, 
+        default=0,
         help_text="Number of users who found this helpful"
     )