chore(Example): 修正文档链接

Author: juzi214032

examples/pages/about/index.wxml

@@ -9,7 +9,7 @@
   </view>
   <view class='address-container'>
     <view class='dot' />
-    <view class='doc-container' bindtap='copyLink' data-link="http://doc.mini.7yue.pro">
+    <view class='doc-container' bindtap='copyLink' data-link="http://doc.mini.talelin.com">
       <text class='doc-txt'>Web端文档</text>
       <text class='address'>http://doc.mini.talelin.com</text>
     </view>