The 2.Version was improved by the help of cpd73 and paul-
Now it can handle more than one BT-Speaker
Additional the dbus-signal-handling was improved
The Installation guide is available at
https://github.com/oweitman/squeezelite-bluetooth
i have made a guide, how to enable a bluetooth speaker on Raspberry pi
3b+ headless and use it dynamicly if i need the bluetoothspeaker.
after first installation and configuration you can turn
bluetooth-speaker on and off, without any interaction.
if the squeezelite player on the bluetooth-raspi