Draft: Add basic ability to play sounds

Jakob Moserrequested to merge
feat/play-sounds into master
  • You need to place the sounds into sound/resources/success and sound/resources/failure
  • Currently, program would crash if there are no sounds
  • Sound quality on the test speakers I used is catastrophic (speakers are fine)
    • Might be a PyGame problem, or a Pi problem

Closes #37

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