Added jukebox l0dable to make your r0ket play your favorite songs.
You need to connect a speaker (e.g. piezo) to pin 6 and pin 5 of m0dule bus A.
For more information check out the comments in the code of jukebox.c.

Supported songs until now:
- Nyan Cat (without intro)
- Tetris (first part; see https://en.wikipedia.org/wiki/Korobeiniki)
- Rick Astley - Never Gonna Give You Up (only refrain)