[ComfoAir] WIP: Integrate ComfoConnect LAN C

Hi all,
it appears that no one attempted to add ComfoConnect support to ComfoAir binding yet (or did I miss it?). Therefor, I started extending the ComfoAir binding using a lot of research of Michaël Arnauts.

Current WIP state can be found at GitHub - darkspirit510/openhab-addons at wip-comfoair-comfoconnect

I already get values from some sensors, but still need to understand which sensor of serial integration matches the ComfoConnct sensor (if applicable).

21:59:51.434 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Zuluftventilator_' changed from 24.0 to 23.0
22:00:13.460 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Abluftventilator_' changed from 26.0 to 25.0
22:00:15.425 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Fortlufttemperatur' changed from 11.2 °C to 11.1 °C
22:00:27.413 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Ablufttemperatur' changed from 20.1 °C to 20.2 °C
22:01:01.416 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Fortlufttemperatur' changed from 11.1 °C to 11 °C
22:01:02.375 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Aussenlufttemperatur' changed from 7.5 °C to 7.4 °C
22:01:07.379 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Aussenlufttemperatur' changed from 7.4 °C to 7.3 °C
22:01:43.386 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Aussenlufttemperatur' changed from 7.3 °C to 7.4 °C
22:01:45.408 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Fortlufttemperatur' changed from 11 °C to 10.9 °C
22:01:53.413 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Aussenlufttemperatur' changed from 7.4 °C to 7.5 °C
22:01:55.427 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Ablufttemperatur' changed from 20.2 °C to 20.3 °C
22:01:56.467 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Zehnder_ComfoConnect_LAN_Ablufttemperatur' changed from 20.3 °C to 20.2 °C

Plus I am not sure if I’m using openHAB framework correctly :sweat_smile: