[FEATURE REQUEST] Download function

[Ehab-d]

Is your feature request related to a problem? Please describe.
Sometimes I go away and I can't listen to the content offline.

Describe the solution you'd like
Add a download button so that the content is available offline.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Apps
I see that InnerTune implements this feature very well.

[MSOB7YY]

have u ever seen the download icon under the video ?

[MSOB7YY]

not to mention the videos/audios played are automatically cached so no need to download if u will listen on namida. bulk downloads are also supported for playlists/queues/ channels etc..