feat(RES-43): Fix du warning magick convert (#16)

Reviewed-on: #16

SampleFiles/Images/imagium.xcassets/welcome_background.imageset/Contents.json

@@ -1,23 +1,23 @@
 {
   "images" : [
     {
+      "filename" : "welcome_background.png",
       "idiom" : "universal",
-      "scale" : "1x",
-      "filename" : "welcome_background.png"
+      "scale" : "1x"
     },
     {
+      "filename" : "welcome_background@2x.png",
       "idiom" : "universal",
-      "scale" : "2x",
-      "filename" : "welcome_background@2x.png"
+      "scale" : "2x"
     },
     {
+      "filename" : "welcome_background@3x.png",
       "idiom" : "universal",
-      "scale" : "3x",
-      "filename" : "welcome_background@3x.png"
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "ResgenSwift-Imagium"
+    "author" : "ResgenSwift-Imagium",
+    "version" : 1
   }
 }