android config to handle google mobile ad

Frontend/android/app/src/main/AndroidManifest.xml

@@ -46,6 +46,10 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+
+            <meta-data
+            android:name="com.google.android.gms.ads.APPLICATION_ID"
+            android:value="ca-app-pub-4781880856775334~7553757584"/>
     </application>
 
     <!-- Provide required visibility configuration for API level 30 and above -->

Frontend/android/app/src/main/kotlin/za/co/mzansiinnovationhub/mih/MainActivity.kt

@@ -3,4 +3,4 @@ package za.co.mzansiinnovationhub.mih
 import io.flutter.embedding.android.FlutterFragmentActivity
 
 class MainActivity: FlutterFragmentActivity() {
-}
+}