pimatic-max battery state of contact sensors and wall thermostats

daice

could you please implement the battery state for contact sensors and wall thermostats?

Regards daice

betz0r

I created two pull requests. With these changes you can use battery status of contact sensors. I dont have any wall thermostats, but the code can be adopted easily.
https://github.com/pimatic/pimatic/pull/1092
https://github.com/pimatic/pimatic-max/pull/9