Groups need one fix

[Dude]

After you make a group, let's say “All WiiMs”, it would be good if the group shows up like the pill buttons at the top of Favorites. Then if a WiiM is mostly used on its own, like in the media room, it is just that. But then clicking on the All WiiMs button links up your WiiMs group. Purely for simplicity and convenience to quickly link the group and start play.

Quick rough sketch: