📦️ Update data dump file

Refresh the data dump to ensure it contains the latest changes.

⚡️ Introduce streaming video previewer

Add a custom streaming video previewer to enhance video handling
without downloading entire files. Remove obsolete video thumbnail
generation logic and update related tests and configurations.

⚡️ Optimize event loading with eager loading

Eager load media attachments to prevent N+1 query issues on the index page.

🎨 Update OG image handling for media

Refactor image URL generation to use the :lightbox variant for
better compatibility with social media requirements.

💄 Update video thumbnail handling in uploads

Ensure video thumbnails are displayed when available, improving the
user interface for media uploads.

🔧 Introduce video thumbnail generation tasks

Add Rake tasks for generating missing video thumbnails both asynchronously
and synchronously for testing purposes.

💄 Introduce unique transforms for empty event cards

Generate consistent but unique rotations and offsets for empty event cards
to enhance visual variety while maintaining a reproducible arrangement.

⚡️ Add video thumbnail generation and handling in background

Implement video thumbnail generation using ffmpeg and update media
controllers and views to utilize pre-generated thumbnails for videos.