Update ext.md

docs/api/ext.md

@@ -10,6 +10,7 @@ uni-app x的web版从uni-app的js引擎版迁移而来，理论上所有uni-app
 - [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。`plus.openUrl`
 - [分享](https://gitcode.net/dcloud/hello-uni-app-x/-/blob/dev/pages/template/share/share.uvue)：`uni.shareWithSystem`
+- 微信登录、分享、企业客服：[插件市场](https://ext.dcloud.net.cn/search?q=%E5%BE%AE%E4%BF%A1%E7%99%BB%E5%BD%95&orderBy=Relevance&cat1=8&cat2=81&uni-appx=1)
 - 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)：`uni.scanCode`
 - [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)：`uni.chooseFile`