[Feature request]niconico(niconama) tImeshift download

[nobu24]

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

• 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
(Start here)Thank you for providIng us great application.
I hope you add the function that download the timeshift movie and comment of niconama.

[InfinityLoop1308]

As we turn to Seal in 5.0, it should be automatically supported by its built-in yt-dlp.