feat(folio): add Android launcher icon (black bg, white dot)

examples/folio/app/androidApp/src/main/AndroidManifest.xml

@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <application
         android:label="Folio"
+        android:icon="@mipmap/ic_launcher"
         android:allowBackup="false"
         android:theme="@android:style/Theme.Material.Light.NoActionBar">
         <activity