fix: uni-app x ext.html 路由重定向

docs/.vuepress/config/redirectRouter.js

@@ -98,6 +98,7 @@ const routerMap = {
   '/uniCloud/uni-id-common': '/uniCloud/uni-id/cloud-common.html',
   '/uniCloud/uni-id': '/uniCloud/uni-id/old.html',
   '/uts/': '/uni-app-x/uts/',
+  '/uni-app-x/ext.html': '/uni-app-x/api/ext.html',
   '/uni-app-x/pagesjson.html': '/uni-app-x/collocation/pagesjson.html',
   '/uni-app-x/manifest.html': '/uni-app-x/collocation/manifest.html'
 }

docs/uni-app-x/ext.md

-# 其它api
-
-插件市场和hello示例中还有一批可替代uni内置api的插件或示例代码，比如：
-- [剪切板](https://ext.dcloud.net.cn/search?q=%E5%89%AA%E5%88%87%E6%9D%BF&orderBy=Relevance&cat1=8&cat2=81)：uni.setClipboardData、uni.getClipboardData
-- [拨打电话](https://ext.dcloud.net.cn/plugin?id=15235)：uni.makePhoneCall
-- [打开三方应用](https://gitcode.net/dcloud/hello-uni-app-x/-/blob/dev/pages/template/schema/schema.uvue)：打开浏览器、应用商店、地图并传参。
-- [分享](https://gitcode.net/dcloud/hello-uni-app-x/-/blob/dev/pages/template/share/share.uvue)：uni.shareWithSystem
-- 打开文件：uni.openDocument。[hello uts示例](](https://gitcode.net/dcloud/hello-uts/-/blob/dev/uni_modules/uts-nativepage/utssdk/app-android/index.uts))、[插件市场](https://ext.dcloud.net.cn/plugin?id=12731)
-- [扫码](https://ext.dcloud.net.cn/search?q=%E6%89%AB%E7%A0%81&cat1=8&type=UpdatedDate)
-- [蓝牙](https://ext.dcloud.net.cn/search?q=%E8%93%9D%E7%89%99&orderBy=Relevance&cat1=8&cat2=81)
-- [nfc](https://ext.dcloud.net.cn/search?q=nfc&orderBy=Relevance&cat1=8&cat2=81)
-- [文件选择](https://ext.dcloud.net.cn/search?q=%E6%96%87%E4%BB%B6%E9%80%89%E6%8B%A9&cat1=8&cat2=81)