fix show title when scan barcode

android/app/src/main/AndroidManifest.xml

@@ -11,9 +11,12 @@
          <uses-permission android:name="android.permission.CAMERA" />
     <application
         android:name=".Application"
-        android:label="Quét mã QR"
+        android:label="Tiên Phong Farm"
         android:icon="@mipmap/ic_launcher"
         android:requestLegacyExternalStorage="true">
+        <activity 
+        android:name="de.mintware.barcode_scan.BarcodeScannerActivity"
+        android:label="Quét mã QR" />
         <activity
             android:name=".MainActivity"
             android:label="Tiên Phong Farm"