Added info about managing state of the BluetoothAdapter to the Readme. (#253)
Added info about managing state of the BluetoothAdapter to the Readme. (#253)

Related to #252 — Managing the state of the Bluetooth Adapter is out of responsibility of this library.
Polidea/RxAndroidBle,Polidea/RxAndroidBle,Polidea/RxAndroidBle