feat: Update dependencies and restructure Playground component

- Upgraded @douyinfe/semi-ui from version 2.63.1 to 2.69.1 in package.json.
- Updated pnpm-lock.yaml to reflect new dependency versions and lockfile format.
- Moved Playground component to a new directory structure under pages.
- Enhanced Playground component with new features and improved user experience.

Author: Calcium-Ion

web/package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "dependencies": {
     "@douyinfe/semi-icons": "^2.63.1",
-    "@douyinfe/semi-ui": "^2.63.1",
+    "@douyinfe/semi-ui": "^2.69.1",
     "@visactor/react-vchart": "~1.8.8",
     "@visactor/vchart": "~1.8.8",
     "@visactor/vchart-semi-theme": "~1.8.8",