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- Updated moderation and parks migrations to remove outdated triggers and adjust foreign key relationships.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/.env.example

@@ -16,6 +16,11 @@ EMAIL_USE_TLS=True
 EMAIL_HOST_USER=your-email@gmail.com
 EMAIL_HOST_PASSWORD=your-app-password
 
+# ForwardEmail API Configuration
+FORWARD_EMAIL_BASE_URL=https://api.forwardemail.net
+FORWARD_EMAIL_API_KEY=your-forwardemail-api-key-here
+FORWARD_EMAIL_DOMAIN=your-domain.com
+
 # Media and Static Files
 MEDIA_URL=/media/
 STATIC_URL=/static/
@@ -32,3 +37,12 @@ ENABLE_SILK_PROFILER=False
 
 # Frontend Configuration
 FRONTEND_DOMAIN=https://thrillwiki.com
+
+# Cloudflare Images Configuration
+CLOUDFLARE_IMAGES_ACCOUNT_ID=your-cloudflare-account-id
+CLOUDFLARE_IMAGES_API_TOKEN=your-cloudflare-api-token
+CLOUDFLARE_IMAGES_ACCOUNT_HASH=your-cloudflare-account-hash
+CLOUDFLARE_IMAGES_WEBHOOK_SECRET=your-webhook-secret
+
+# Road Trip Service Configuration
+ROADTRIP_USER_AGENT=ThrillWiki/1.0 (https://thrillwiki.com)