feat: Implement avatar upload system with Cloudflare integration

- Added migration to transition avatar data from CloudflareImageField to ForeignKey structure in UserProfile.
- Fixed UserProfileEvent avatar field to align with new avatar structure.
- Created serializers for social authentication, including connected and available providers.
- Developed request logging middleware for comprehensive request/response logging.
- Updated moderation and parks migrations to remove outdated triggers and adjust foreign key relationships.
- Enhanced rides migrations to ensure proper handling of image uploads and triggers.
- Introduced a test script for the 3-step avatar upload process, ensuring functionality with Cloudflare.
- Documented the fix for avatar upload issues, detailing root cause, implementation, and verification steps.
- Implemented automatic deletion of Cloudflare images upon avatar, park, and ride photo changes or removals.

backend/apps/api/v1/rides/manufacturers/views.py

@@ -502,13 +502,13 @@ class RideModelFilterOptionsAPIView(APIView):
             .values("id", "name", "slug")
         )
 
-        categories = (
+        (
             RideModel.objects.exclude(category="")
             .values_list("category", flat=True)
             .distinct()
         )
 
-        target_markets = (
+        (
             RideModel.objects.exclude(target_market="")
             .values_list("target_market", flat=True)
             .distinct()