fixed bugs.
Improved app stability.
bluetooth helper.
scan ble (sort), advertise beacon, scan qr or barcode.
1. Scan device (rssi, name alignment).
2. rssi and name sort.
3. Connect the device.
4. write value, attribute. Receive data.
5. gatt server, client support
6. ADVERTISE support.
7. ADVERTISE TYPE, POWER, MODE SETTING.
8. QR scan support.
9. Barcode scan support.
will be update for mesh function.
thank you sir.
