Add alpha icons to build

app/config.xml

@@ -17,10 +17,18 @@
     <allow-intent href="geo:*" />
     <platform name="android">
         <allow-intent href="market:*" />
+        <icon density="mdpi" src="res/icon/android/mdpi.png" />
+        <icon density="hdpi" src="res/icon/android/hdpi.png" />
+        <icon density="xhdpi" src="res/icon/android/xhdpi.png" />
+        <icon density="xxhdpi" src="res/icon/android/xxhdpi.png" />
+        <icon density="xxxhdpi" src="res/icon/android/xxxhdpi.png" />
     </platform>
     <platform name="ios">
         <allow-intent href="itms:*" />
         <allow-intent href="itms-apps:*" />
+        <icon height="180" src="res/icon/ios/icon-60@3x.png" width="180" />
+        <icon height="120" src="res/icon/ios/icon-60@2x.png" width="120" />
+        <icon height="60" src="res/icon/ios/icon-60.png" width="60" />
     </platform>
     <preference name="DisallowOverscroll" value="true" />
     <preference name="StatusBarBackgroundColor" value="#212121" />