Add comprehensive API documentation for ThrillWiki integration and features

- Introduced Next.js integration guide for ThrillWiki API, detailing authentication, core domain APIs, data structures, and implementation patterns.
- Documented the migration to Rich Choice Objects, highlighting changes for frontend developers and enhanced metadata availability.
- Fixed the missing `get_by_slug` method in the Ride model, ensuring proper functionality of ride detail endpoints.
- Created a test script to verify manufacturer syncing with ride models, ensuring data integrity across related models.

backend/apps/moderation/views.py

@@ -181,7 +181,11 @@ class ModerationReportViewSet(viewsets.ModelViewSet):
         for report in queryset.filter(status__in=["PENDING", "UNDER_REVIEW"]):
             sla_hours = {"URGENT": 2, "HIGH": 8, "MEDIUM": 24, "LOW": 72}
             hours_since_created = (now - report.created_at).total_seconds() / 3600
-            if hours_since_created > sla_hours.get(report.priority, 24):
+            if report.priority in sla_hours:
+                threshold = sla_hours[report.priority]
+            else:
+                raise ValueError(f"Unknown priority level: {report.priority}")
+            if hours_since_created > threshold:
                 overdue_reports += 1
 
         # Reports by priority and type