[Feature request] Integration request with Preservetube.com

[HairyMilkshakes]

Checklist (Your issue will be automatically closed if you delete this part)

• [X ] I make sure that there are no existing issues - open or closed - which I could contribute my information to.
• I believe this feature request will benefit more than 10% of users, not just myself.

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** Description
Preservetube integration would be very nice as some videos are 404'ed but still show up in my saved playlist and so on.

If we can

1. Check 404'ed videos against Preservetube and be able to perform playback and
2. Allow us to have a button that processes videos to be archived

I believe it will greatly benefit everybody in the long run in using this app.

[InfinityLoop1308]

Thanks for your suggestion, but it turns out that Preservetube isn't fully compatible to the app's framework.