* Add MySensors ACK
The addition of the ACK will ask sensors to respond to commands sent to them which will update the MySensors device in Home Assistant.
Currently, if a default MySensors sketch is used the device will update but Home Assistant does not reflect the update and custom code has to be added to tell Home Assistant the command was received. With the ACK set to 1 in the message all this is taken care of by MySensors.
* Run black