feat: 更新鸿蒙应用配置与功能优化

- 添加鸿蒙分层图标配置和生成脚本
- 修复数据导出JSON解析问题
- 优化关于页面和团队信息展示
- 更新应用版本至1.4.1
- 清理代码警告和冗余文件
- 添加字体和二维码测试脚本
- 完善鸿蒙适配文档和指南

ohos/entry/src/main/module.json5

@@ -18,7 +18,7 @@
         "name": "EntryAbility",
         "srcEntry": "./ets/entryability/EntryAbility.ets",
         "description": "$string:EntryAbility_desc",
-        "icon": "$media:icon",
+        "icon": "$media:layered_image",
         "label": "$string:EntryAbility_label",
         "startWindowIcon": "$media:icon",
         "startWindowBackground": "$color:start_window_background",

ohos/entry/src/main/resources/base/media/layered_image.json

@@ -0,0 +1 @@
+{"layered-image": {"background": "$media:background_icon", "foreground": "$media:foreground_icon"}}