add 1024x1024 icon for "marketing image"

Author: hawkrives

ios/AllAboutOlaf/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -143,6 +143,12 @@
       "size" : "83.5x83.5",
       "filename" : "[email protected]",
       "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "[email protected]",
+      "scale" : "1x"
     }
   ],
   "info" : {