49b709df9f
- Introduced a new API endpoint `POST /api/v1/video/remove_watermark/report_failure` for reporting download failures. - Added a new database table `video_download_failures` to store details about failed downloads, including domain, URL, error message, and reporting metadata. - Updated the video handler to process failure reports and save them to the database. - Enhanced documentation to include details about the new reporting feature and its usage.