bckspc sndbrd

mount sound files into app/sounds

environment variables

PLAYER = 'mumble'
or
PLAYER = 'snapcast'
MUMBLE_USER = 'brett'
SNAPCAST_FIFO = '/tmp/snapfifo'
MQTT_BROKER = 'mqtt://localhost'
MQTT_TOPIC = 'psa/sound'
MQTT_FALLBACK_DIR = 'space'
MUMBLE_URL = 'mumble://example.com'
MUMBLE_RECONNECT_INTERVAL = 30000