修复 Assets.xcassets 配置问题

- 更新 AppIcon.appiconset/Contents.json 以包含完整的 iOS 图标配置
- 添加了所有必需的图标尺寸配置
- 本地构建测试通过，解决了 CI 环境中的编译错误

Author: Sjj1024

PakePlus/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -2,8 +2,56 @@
   "images" : [
     {
       "filename" : "app-icon.png",
-      "idiom" : "universal",
-      "platform" : "ios",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "filename" : "app-icon.png",
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
       "size" : "1024x1024"
     }
   ],