option docs

lib/src/logger.dart

@@ -1,8 +1,9 @@
 import 'package:logging/logging.dart';
+
 /// Logger used for the entire SDK. To output logs, configure the logger at the
 /// entry point of your app. Adjust the logger output level to your needs.
 /// A typical configuration would look like the following:
-/// 
+///
 /// Logger.root.level = Level.FINE;
 /// Logger.root.onRecord.listen((record) {
 ///   print('${record.level.name}: ${record.message}');