add functionality for multiple callbacks from scanner

example/src/BarcodeScreen.js

@@ -37,6 +37,7 @@ export default class CameraScreen extends Component {
        
         onReadCode={((event) => Alert.alert(`Qr code found ${event.nativeEvent.codeStringValue} `))} 
         hideControls={true} 
+        isNeedMultipleScanBarcode = {true}
         // offsetForScannerFrame = {10}  
         // heightForScannerFrame = {300}  
         colorForScannerFrame = {'blue'} 

ios/lib/ReactNativeCameraKit/CKCamera.m

@@ -158,6 +158,7 @@ RCT_ENUM_CONVERTER(CKCameraZoomMode, (@{
     
 }
 
+
 - (instancetype)initWithFrame:(CGRect)frame {
     self = [super initWithFrame:frame];
     
@@ -1112,3 +1113,4 @@ const NSString *isNeedMultipleScanBarcode = @"isNeedMultipleScanBarcode";
 
 
 @end
+