site: document dist/antd.js

Close #8442

CHANGELOG.en-US.md

@@ -67,6 +67,7 @@ Learn more in the [Ant Design 3.0 announcement post](https://medium.com/ant-desi
 
 - Since we changed default locale to en_US, LocalProvider is not required any more for English users.
 - We don't set `size="large"` to `Input` in `Form` by default any more.
+- UMD version of `dist/antd.js` doesn't include moment any more, you need add moment by yourself if you are using the UMD version.
 
 ### Removed Deprecations
 

CHANGELOG.zh-CN.md

@@ -78,6 +78,7 @@ timeline: true
   ```
 
 - Form 下的表单控件不再默认为 size="large"。
+- UMD 版本的  `dist/antd.js` 不再包含 moment，使用的时候需要自己引入 moment。
 
 ### 以下在 2.x 中废弃的特性被移除