Fix warnings for Appicons sizes

Author: kpavankotesh

Example/KWVerificationCodeView/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -33,18 +33,19 @@
     {
       "size" : "60x60",
       "idiom" : "iphone",
-      "filename" : "logo.png",
+      "filename" : "Icon-App-60x60@2x.png",
       "scale" : "2x"
     },
     {
       "size" : "60x60",
       "idiom" : "iphone",
-      "filename" : "logo-1.png",
+      "filename" : "Icon-App-60x60@3x.png",
       "scale" : "3x"
     },
     {
-      "idiom" : "ios-marketing",
       "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "iTunesArtwork@2x.png",
       "scale" : "1x"
     }
   ],