Add migrations for ParkPhoto and RidePhoto models with associated events

- Created ParkPhoto and ParkPhotoEvent models in the parks app, including fields for image, caption, alt text, and relationships to the Park model.
- Implemented triggers for insert and update operations on ParkPhoto to log changes in ParkPhotoEvent.
- Created RidePhoto and RidePhotoEvent models in the rides app, with similar structure and functionality as ParkPhoto.
- Added fields for photo type in RidePhoto and implemented corresponding triggers for logging changes.
- Established necessary indexes and unique constraints for both models to ensure data integrity and optimize queries.

backend/manage.py

@@ -1,13 +1,8 @@
 #!/usr/bin/env python
 """Django's command-line utility for administrative tasks."""
+
 import os
 import sys
-from pathlib import Path
-
-# Add the backend directory to Python path so 'api' module can be found
-backend_dir = Path(__file__).resolve().parent
-if str(backend_dir) not in sys.path:
-    sys.path.insert(0, str(backend_dir))
 
 
 def main():