feat(LockupView): Add station as possible `content_type` (#1229)

Related FreeTube PR: https://github.com/FreeTubeApp/FreeTube/pull/9620

This PR adds `station` as a lockupview type and will treat it like a video.

Example:
Michael Jackson Home page: https://www.youtube.com/channel/UC5OrDvL9DscpcAstz7JnQGA
Michael Jackson Playlist page: https://www.youtube.com/playlist?list=PLUeQUfurHN6YO6GynESHaAA4oKJYFutPh