* [BT] Add BM2 voltage Voltage retrieval through a BLE connection, frequency of the BLE connection is defined by `intervalcnct` * Add doc Credits to https://github.com/KrystianD/bm2-battery-monitor
* [BT] Add BM2 voltage Voltage retrieval through a BLE connection, frequency of the BLE connection is defined by `intervalcnct` * Add doc Credits to https://github.com/KrystianD/bm2-battery-monitor