feat(rides): populate slugs for existing RideModel records and ensure uniqueness

- Added migration 0011 to populate unique slugs for existing RideModel records based on manufacturer and model names.
- Implemented logic to ensure slug uniqueness during population.
- Added reverse migration to clear slugs if needed.

feat(rides): enforce unique slugs for RideModel

- Created migration 0012 to alter the slug field in RideModel to be unique.
- Updated the slug field to include help text and a maximum length of 255 characters.

docs: integrate Cloudflare Images into rides and parks models

- Updated RidePhoto and ParkPhoto models to use CloudflareImagesField for image storage.
- Enhanced API serializers for rides and parks to support Cloudflare Images, including new fields for image URLs and variants.
- Provided comprehensive OpenAPI schema metadata for new fields.
- Documented database migrations for the integration.
- Detailed configuration settings for Cloudflare Images.
- Updated API response formats to include Cloudflare Images URLs and variants.
- Added examples for uploading photos via API and outlined testing procedures.

backend/apps/api/v1/serializers/shared.py

@@ -102,6 +102,22 @@ class ModelChoices:
                 ("SBNO", "Standing But Not Operating"),
             ]
 
+    @staticmethod
+    def get_ride_category_choices():
+        try:
+            from apps.rides.models import CATEGORY_CHOICES
+
+            return CATEGORY_CHOICES
+        except ImportError:
+            return [
+                ("RC", "Roller Coaster"),
+                ("DR", "Dark Ride"),
+                ("FR", "Flat Ride"),
+                ("WR", "Water Ride"),
+                ("TR", "Transport"),
+                ("OT", "Other"),
+            ]
+
 
 class LocationOutputSerializer(serializers.Serializer):
     """Shared serializer for location data."""