imp: export MobileScannerArguments

+## 0.1.2
+* MobileScannerArguments is now exported. [7](https://github.com/juliansteenbakker/mobile_scanner/issues/7)
+
+Bugfixes:
+* Fixed application crashing when stop() or start() is called multiple times. [5](https://github.com/juliansteenbakker/mobile_scanner/issues/5)
+
 ## 0.1.1
 mobile_scanner is now compatible with sdk >= 2.12 and flutter >= 2.2.0
 

@@ -2,4 +2,5 @@ library mobile_scanner;
 
 export 'src/mobile_scanner.dart';
 export 'src/mobile_scanner_controller.dart';
+export 'src/mobile_scanner_arguments.dart';
 export 'src/objects/barcode.dart';