feat: Django backend foundation - project structure, dependencies, and documentation

- Created Django 4.2 project with production-ready architecture
- Installed 60+ packages including django-ninja, celery, channels, etc.
- Set up app structure (core, entities, moderation, users, versioning, media, notifications)
- Created comprehensive MIGRATION_PLAN.md with 12-phase roadmap
- Created README.md with setup instructions
- Created .env.example with all required configuration
- Configured for Python 3.13 compatibility
- All dependencies successfully installed and tested

Next steps: Configure Django settings and create base models

django/.env.example

@@ -0,0 +1,35 @@
+# Django Settings
+DEBUG=True
+SECRET_KEY=your-secret-key-here-change-in-production
+ALLOWED_HOSTS=localhost,127.0.0.1
+
+# Database
+DATABASE_URL=postgresql://user:password@localhost:5432/thrillwiki
+
+# Redis
+REDIS_URL=redis://localhost:6379/0
+
+# Celery
+CELERY_BROKER_URL=redis://localhost:6379/0
+CELERY_RESULT_BACKEND=redis://localhost:6379/1
+
+# CloudFlare Images
+CLOUDFLARE_ACCOUNT_ID=your-account-id
+CLOUDFLARE_IMAGE_TOKEN=your-token
+CLOUDFLARE_IMAGE_HASH=your-hash
+
+# Novu
+NOVU_API_KEY=your-novu-api-key
+NOVU_API_URL=https://api.novu.co
+
+# Sentry
+SENTRY_DSN=your-sentry-dsn
+
+# CORS
+CORS_ALLOWED_ORIGINS=http://localhost:5173,http://localhost:3000
+
+# OAuth
+GOOGLE_CLIENT_ID=
+GOOGLE_CLIENT_SECRET=
+DISCORD_CLIENT_ID=
+DISCORD_CLIENT_SECRET=