[FR][Multiservice] play local files

[ildar]

• I carefully read the contribution guidelines and agree to them.
• I checked if the issue/feature exists in the latest version.

NP grown mature and cool ))
I think it's time to play local (video) files.
Probably Multi Service initiative should fit just fine as an implementation base for it.

[ghost]

I'm not sure but I think that was also requested earlier

[ildar]

I sought and couldn't find. Sorry if dup

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[ildar]

Up. Sorry for that but it's important

[ildar]

Should this FR stay here or move to https://github.com/TeamNewPipe/NewPipeExtractor ?

[Stypox]

@ildar it has nothing to do with the extractor

[Stypox]

Also see #478

[triallax]

Duplicate of #478.