- Updated the announcement detail component to directly use images and videos from the data structure.
- Changed the form edit component to accommodate the new media structure, replacing AnnunciWithImages with AnnunciWithMedia.
- Modified the announcements list to initialize videos as an empty array.
- Enhanced the announcement view to handle external videos and updated the footer to display them correctly.
- Introduced a new utility function to generate YouTube embed URLs.
- Updated the database schema to replace url_video with external_videos and added a new videos_refs table for video management.
- Implemented video processing logic, including downloading, transcoding, and thumbnail generation.
- Added migration scripts for the new videos_refs table and updated existing references in the database.
