voodoo: Add a remote API
voodoo: turn down the recording volume
voodoo: First version with working remote audio
deer: First version using 2 wav files (not tested)
voodoo: Move servo generation / audio playback to a worker thread

This seems to fix the slight static problem I was having and
greatly decreases the lag when playing remote API calls.
deer: Move to using a track instead of directly using audio_*
deer: Add audio