Created logic groups for source files.
Created logic groups for source files.

Fitbit/RxBluetoothKit,proxyco/RxBluetoothKit,Polidea/RxBluetoothKit,proxyco/RxBluetoothKit,Polidea/RxBluetoothKit,Fitbit/RxBluetoothKit,Polidea/RxBluetoothKit,Fitbit/RxBluetoothKit