* Addition of hub device
* coordinator udata updated after a hub action
* Unit tests update
* Unit tests improvements
* addition of tests on select and switch platforms
* wording
* Removal of select platform for PR containing only one platform
* Remove hub to maintain only the refactoring that prepare the hub device addition
* Review corrections
* wording
* Review corrections
* Review corrections
* Review corrections
* Addition of battery level sensor. Correction of pylint errors
* Review improvement for typing
* Review improvement for typing
* Correction following review