FEATURES TO IMPLEMENT

1. Once logged in, join a room 1.1. Enter room password to join
2. Once logged in, create a room 2.1. Set room password
3. Display number of users in a room
4. Allow users to vote for each track a max 1 time
5. ✅ Prevent tracks from being added more than once
6. Prevent currently playing track from being replaced 6.1. Only sort from 2nd-last tracks