docker image for Airsonic-Advanced

To pull this image: docker pull mbentley/airsonic

Example usage:

docker run -d \
  --restart unless-stopped \
  --name airsonic \
  -p 4040:4040 \
  -v airsonic-data:/data \
  mbentley/airsonic

See Migrating from Subsonic to Airsonic for instructions on how to migrate from Subsonic or Libresonic to Airsonic