Implement new Icons (IOS-290) (#1347)

Mastodon/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,129 +1,33 @@
 {
   "images" : [
     {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "2x",
-      "size" : "20x20"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "3x",
-      "size" : "20x20"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "1x",
-      "size" : "29x29"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "2x",
-      "size" : "29x29"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "3x",
-      "size" : "29x29"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "2x",
-      "size" : "40x40"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "3x",
-      "size" : "40x40"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "1x",
-      "size" : "57x57"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "2x",
-      "size" : "57x57"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "2x",
-      "size" : "60x60"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "iphone",
-      "scale" : "3x",
-      "size" : "60x60"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "1x",
-      "size" : "20x20"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "2x",
-      "size" : "20x20"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "1x",
-      "size" : "29x29"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "2x",
-      "size" : "29x29"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "1x",
-      "size" : "40x40"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "2x",
-      "size" : "40x40"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "1x",
-      "size" : "76x76"
-    },
-    {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "2x",
-      "size" : "76x76"
+      "filename" : "Icon-Light-1024x1024.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
     },
     {
-      "filename" : "[email protected]",
-      "idiom" : "ipad",
-      "scale" : "2x",
-      "size" : "83.5x83.5"
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "Icon-Dark-1024x1024.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
     },
     {
-      "filename" : "[email protected]",
-      "idiom" : "ios-marketing",
-      "scale" : "1x",
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "Icon-Tinted-1024x1024.png",
+      "idiom" : "universal",
+      "platform" : "ios",
       "size" : "1024x1024"
     },
     {