Record scrubbing of videos
The extension should submit data to an API GET endpoint to record user scrubbing of the video.
If the user does not scrub, then that may mean that the timestamps are good.
If the user does scrub, then that may mean the timestamps are not good.
If there are no timestamps saved for a video, then a future Bot could generate timestamps for the video.
A separate table would need to be made that has a foreign key to a video or timestamp revision if one exists.
Similar issues described in #6.