chore: consolidate changelog to package level and update docs references

- Remove root CHANGELOG.md, use packages/react/CHANGELOG.md as the
  single source of truth with proper categorized format
- Update docs site to import changelog from packages/react
- Fix npm badge URLs to point to @tiny-design/react

Author: wangdicoder

CHANGELOG.md

@@ -12,8 +12,8 @@ Tiny UI is a set of UI components and widgets built on React.js **18+**, which m
 
 ## Version
 
-- Latest [![npm](https://img.shields.io/npm/v/tiny-design.svg?style=flat-square)](https://www.npmjs.com/package/tiny-design)
-- Download [![npm](https://img.shields.io/npm/dm/tiny-design.svg?style=flat-square)](https://www.npmjs.com/package/tiny-design)
+- Latest [![npm](https://img.shields.io/npm/v/@tiny-design/react.svg?style=flat-square)](https://www.npmjs.com/package/@tiny-design/react)
+- Download [![npm](https://img.shields.io/npm/dm/@tiny-design/react.svg?style=flat-square)](https://www.npmjs.com/package/@tiny-design/react)
 
 ## Environment Support
 

apps/docs/guides/introduction.md

@@ -12,8 +12,8 @@ Tiny UI 是一套基于 React.js **18+** 构建的 UI 组件和控件库，主
 
 ## 版本
 
-- 最新版本 [![npm](https://img.shields.io/npm/v/tiny-design.svg?style=flat-square)](https://www.npmjs.com/package/tiny-design)
-- 下载量 [![npm](https://img.shields.io/npm/dm/tiny-design.svg?style=flat-square)](https://www.npmjs.com/package/tiny-design)
+- 最新版本 [![npm](https://img.shields.io/npm/v/@tiny-design/react.svg?style=flat-square)](https://www.npmjs.com/package/@tiny-design/react)
+- 下载量 [![npm](https://img.shields.io/npm/dm/@tiny-design/react.svg?style=flat-square)](https://www.npmjs.com/package/@tiny-design/react)
 
 ## 环境支持
 

apps/docs/guides/introduction.zh_CN.md

@@ -41,8 +41,8 @@ const guide = {
     () => import('./containers/color'),
   ),
   changelog: ll(
-    () => import('../CHANGELOG.md'),
-    () => import('../CHANGELOG.md'),
+    () => import('../../../packages/react/CHANGELOG.md'),
+    () => import('../../../packages/react/CHANGELOG.md'),
   ),
   faq: ll(
     () => import('../guides/faq.md'),