Add a bunch of lobby music

[adamsong]

About the PR

Adds lobby music from some of our talented artists

Why / Balance

Lobby music is cool

Test plan

Hear lobby music

Requirements

• I have read and am following the Macrocosm Pull Request Conventions.
• I have tested this pull request and written instructions on how to test it
• I have added media to this PR or it does not require an in-game showcase.
• If I am porting something, I have done my best to respect the appropriate licenses associated with the presented changes.
  • All art assets are a commercially appropriate license (CC-BY-SA-3.0, CC-BY-SA-4.0, CC0-1.0, etc)

License

MIT

Changelog

🆑

• add: Added a bunch of lobby music!