Support "Premier in X days"

[iacore]

Checklist

• I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• I have read the FAQ and my problem isn't listed.
• I'm aware that this is a request for NewPipe itself and that requests for adding a new service need to be made at NewPipeExtractor.
• I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise.
• This issue contains only one feature request.
• I have read and understood the contribution guidelines.

Feature description

currently, when i open a video that will premier in the future, NewPipe says "Content Unavailable". The message isn't helpful.

I hope it will say "Premier in X days" like youtube.com.

Why do you want this feature?

usability

i click on future videos often. maybe their styling should be more prominent to contrast with past videos?

Additional information

No response