Sort by artist/song name, date of video, date added in Slack channel

[sumeshpremraj]

Support sorting by name, date of upload to YouTube and the date it was added to Slack.

[namratachaudhary]

@turtleDev are we storing this information in the DB?
If yes, I can take this up.

[turtleDev]

@namratachaudhary not right now. Some major architectural changes are underway, and I'm delaying it till that's done with.

Will get back to you when I'm done with those.