Demo and Documentation page uses unexistent video url

[bestmazzo]

This is probably related to
https://github.com/contently/videojs-annotation-comments/blob/master/docs/_site/index.html#L40
Video source returns 404 😟

[jackpope]

Thanks for reporting @bestmazzo . I was clearing out old s3 buckets recently and forgot that these files were sourced in one of them 🤕