configuration method
Implementation
@override
Future<Configuration>configuration() async {
final result = await _methodChannel.invokeMethod('configuration');
return Configuration(
environment: Environment.fromName(result['environment'] as String),
drivingServiceMode: DrivingServiceMode.fromName(result['drivingServiceMode'] as String),
logLevel: LogLevel.fromName(result['logLevel'] as String),
);
}