* Add external channel URL for channel update / creation (#754)
* Disallow synchronisation if user has no video quota (#754)
* More constraints serverside (#754)
* Disable sync if server configuration does not allow HTTP import (#754)
* Working version synchronizing videos with a job (#754)
TODO: refactoring, too much code duplication
* More logs and try/catch (#754)
* Fix eslint error (#754)
* WIP: support synchronization time change (#754)
* New frontend #754
* WIP: Create sync front (#754)
* Enhance UI, sync creation form (#754)
* Warning message when HTTP upload is disallowed
* More consistent names (#754)
* Binding Front with API (#754)
* Add a /me API (#754)
* Improve list UI (#754)
* Implement creation and deletion routes (#754)
* Lint (#754)
* Lint again (#754)
* WIP: UI for triggering import existing videos (#754)
* Implement jobs for syncing and importing channels
* Don't sync videos before sync creation + avoid concurrency issue (#754)
* Cleanup (#754)
* Cleanup: OpenAPI + API rework (#754)
* Remove dead code (#754)
* Eslint (#754)
* Revert the mess with whitespaces in constants.ts (#754)
* Some fixes after rebase (#754)
* Several fixes after PR remarks (#754)
* Front + API: Rename video-channels-sync to video-channel-syncs (#754)
* Allow enabling channel sync through UI (#754)
* getChannelInfo (#754)
* Minor fixes: openapi + model + sql (#754)
* Simplified API validators (#754)
* Rename MChannelSync to MChannelSyncChannel (#754)
* Add command for VideoChannelSync (#754)
* Use synchronization.enabled config (#754)
* Check parameters test + some fixes (#754)
* Fix conflict mistake (#754)
* Restrict access to video channel sync list API (#754)
* Start adding unit test for synchronization (#754)
* Continue testing (#754)
* Tests finished + convertion of job to scheduler (#754)
* Add lastSyncAt field (#754)
* Fix externalRemoteUrl sort + creation date not well formatted (#754)
* Small fix (#754)
* Factorize addYoutubeDLImport and buildVideo (#754)
* Check duplicates on channel not on users (#754)
* factorize thumbnail generation (#754)
* Fetch error should return status 400 (#754)
* Separate video-channel-import and video-channel-sync-latest (#754)
* Bump DB migration version after rebase (#754)
* Prettier states in UI table (#754)
* Add DefaultScope in VideoChannelSyncModel (#754)
* Fix audit logs (#754)
* Ensure user can upload when importing channel + minor fixes (#754)
* Mark synchronization as failed on exception + typos (#754)
* Change REST API for importing videos into channel (#754)
* Add option for fully synchronize a chnanel (#754)
* Return a whole sync object on creation to avoid tricks in Front (#754)
* Various remarks (#754)
* Single quotes by default (#754)
* Rename synchronization to video_channel_synchronization
* Add check.latest_videos_count and max_per_user options (#754)
* Better channel rendering in list #754
* Allow sorting with channel name and state (#754)
* Add missing tests for channel imports (#754)
* Prefer using a parent job for channel sync
* Styling
* Client styling
Co-authored-by: Chocobozzz <me@florianbigard.com>