doc: 新增 duxui

[ShaoGongBra]

这个 PR 做了什么? (简要描述所做更改)

ui 库中新增一个 duxui

这个 PR 是什么类型? (至少选择一个)

• 错误修复(Bugfix) issue: fix #
• 新功能(Feature)
• 代码重构(Rafactor)
• TypeScript 类型定义修改(Typings)
• 文档修改(Docs)
• 代码风格更新(Code style update)
• 其他，请描述(Other, please describe):

这个 PR 涉及以下平台:

• 所有小程序
• 微信小程序
• 支付宝小程序
• 百度小程序
• 字节跳动小程序
• QQ 轻应用
• 京东小程序
• 快应用平台（QuickApp）
• Web 平台（H5）
• 移动端（React-Native）
• 鸿蒙（harmony）

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.54%. Comparing base (847d9f0) to head (06f9951).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #17002   +/-   ##
=======================================
  Coverage   58.54%   58.54%           
=======================================
  Files         467      467           
  Lines       27120    27120           
  Branches     5922     5945   +23     
=======================================
  Hits        15878    15878           
- Misses       9731     9764   +33     
+ Partials     1511     1478   -33     

Flag	Coverage Δ
taro-cli	73.67% <ø> (ø)
taro-runtime	59.87% <ø> (ø)
taro-web	52.77% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

see 9 files with indirect coverage changes