Provide youtube-dlc as an alternative to youtube-dl

[peppizza]

youtube-dl's progress has slowed down and will very often error with ERROR: Unable to extract JS player URL. youtube-dlc is a drop-in replacement for youtube-dl that is being updated and does not have that error https://github.com/blackjack4494/yt-dlc

[vicky5124]

this could probably be made into a feature, to let users choose between either one, and not make this a breaking change.
youtube-dl is more accessible as it's available on most linux package managers, so it's support should stay.

[peppizza]

maybe, however the error that i posted above is very frequent with youtube-dl and it's not clear to a user of the library what the issue is

[vicky5124]

it could be mentioned in a documentation line, as a note

[peppizza]

youtube-dl and youtube-dlc are now both features with youtube-dlc being the default

[Flat]

As the tried and tested program youtube-dl should probably be the default. Claims that youtube-dlc is more maintained would also need some further information.

[Lakelezz]

I do agree that youtube-dl should stay our default for now, suddenly changing the default to a new fork sounds adventurous.

[peppizza]

youtube-dl is now the default feature and I updated the compile_error message to reflect it

[peppizza]

moving to https://github.com/serenity-rs/songbird