flutter_web_bluetooth_characteristic library

1. flutter_web_bluetooth_backend package
2. documentation
3. flutter_web_bluetooth_characteristic.dart

flutter_web_bluetooth_backend package

1. Libraries
2. flutter_web_bluetooth_central
3. flutter_web_bluetooth_characteristic
4. flutter_web_bluetooth_connector
5. flutter_web_bluetooth_mtu
6. flutter_web_bluetooth_peripheral
7. flutter_web_bluetooth_scanner