MQTT Support

[AF6FB]

I see that MMDVM now has the ability to use MQTT for both display interaction and logging data. I would like to see the Pi-Star team add support for this.

Currently, this would require building the MQTT branch of MMDVMHost and adding an MQTT broker to the image. I think there would also be a logging and display task that would need to be included in the image as well.

Future mods to MMDVMHost are being applied to this branch and it would be nice if we could take advantage of this for Pi-Star.

Michael AF6FB