update url. (#239)

* Update Markdown Viewer link and description

* 更新 README.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update Markdown Viewer link in README.md

---------

Co-authored-by: hustcc <i@hust.cc>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: Aaron <antvaaron@gmail.com>

Author: 4 people

README.md

@@ -158,7 +158,7 @@ Community projects and products powered by AntV Infographic:
 
 - 💼 **Products**
   - [Alma](https://alma.now/) — Desktop AI provider orchestration app with Infographic
-  - [Markdown Viewer](https://docu.me) — Markdown viewer with Infographic support, export to Word, extensions for Chrome/VS Code/Firefox
+  - [Markdown Viewer](https://docu.md) — Markdown viewer with Infographic support, export to Word, extensions for Chrome/VS Code/Firefox
   - [InfographicAI](https://infographic-ai.tuntun.site/) — Generate PPT slides powered by Infographic
   - [LangChat Slides](https://github.com/TyCoding/langchat-slides) — Next-Gen AI Slide Generator using @antv/infographic
   - [Nowledge Mem](https://mem.nowledge.co/) — AI Memory Bank with Presentation Creator supporting Infographic

README.zh-CN.md

@@ -158,7 +158,7 @@ $skill-installer install https://github.com/antvis/Infographic/tree/main/skills/
 
 - 💼 **商业产品**
   - [Alma](https://alma.now/) — 集成信息图的桌面 AI 多模型管理应用
-  - [Chrome 插件](https://github.com/xicilion/markdown-viewer-extension) — 支持信息图的 Markdown 查看器，支持导出 Word
+  - [Markdown Viewer](https://github.com/xicilion/markdown-viewer-extension) — 支持信息图的 Markdown 查看器，支持导出 Word，提供 Chrome/VS Code/Firefox 扩展
   - [InfographicAI](https://infographic-ai.tuntun.site/) — 基于信息图生成 PPT 的在线工具
   - [LangChat Slides](https://github.com/TyCoding/langchat-slides) — 基于 @antv/infographic 的新一代 AI 幻灯片生成器
   - [Nowledge Mem](https://mem.nowledge.co/) — 支持信息图演示创作的 AI 记忆库