Queue songs and play entire playlists

[antazoey]

Overview

Allow playing a queue of songs, as well a playlist directly.

Specification

audius playlist play asd3

And under the hood, it uses some things that may be useful to SDK users:

sdk.player.queue("asd34")
sdk.player.play(background=True)
sdk.player.queue("323f")
sdk.player.stop()

# OR

sdk.playlists.play("as35", background=True)

Dependencies

Include links to any open issues that must be resolved before this feature can be implemented.