* Update registries.py
Add concentration clusters recently added to zigpy
* Update measurement.py
Add concentration clusters recently added to ZigPy
* Update sensor.py
Add concentration clusters recently added to ZigPy
* Update sensor.py
remove unnecessary tabs
* Update measurement.py
remove unnecessary tabs
* Update sensor.py
Just adding CO and CO2 for now.
* Update registries.py
Just adding CO2 and CO for now.
* Update measurement.py
Just adding CO2 and CO for now
* Update sensor.py
import const CONCENTRATION_PARTS_PER_MILLION
* Update registries.py
removed trailing whitespace
* Update sensor.py
added extra blank lines and removed trailing whitespace
* Update measurement.py
added extra blank lines and removed trailing whitespace
* Update sensor.py
add device classes for CO and CO2