feat: enhance transportation card and modal with image handling

- Added CardCarousel component to TransportationCard for image display.
- Implemented privacy indicator with Eye and EyeOff icons.
- Introduced image upload functionality in TransportationModal, allowing users to upload multiple images.
- Added image management features: remove image and set primary image.
- Updated Transportation and Location types to include images as ContentImage array.
- Enhanced UI for image upload and display in modal, including selected images preview and current images management.

backend/server/adventures/views/location_view.py

@@ -263,7 +263,7 @@ class LocationViewSet(viewsets.ModelViewSet):
                 # Check if user has shared access to the collection
                 if not collection.shared_with.filter(uuid=self.request.user.uuid).exists():
                     raise PermissionDenied(
-                        f"You don't have permission to remove location from collection '{collection.name}'"
+                        f"You don't have permission to remove this location from one of the collections it's linked to.'"
                     )
 
     def _validate_collection_permissions(self, collections):