docs(class): add reference link

ruanyf · ruanyf · commit 8f59ef87cf9f · 2024-07-01T18:29:04.000+08:00
diff --git a/docs/class.md b/docs/class.md
@@ -1670,4 +1670,5 @@ class FileSystemObject {
 ## 参考链接
 
 - [TypeScript Constructor in Interface](http://fritzthecat-blog.blogspot.com/2018/06/typescript-constructor-in-interface.html)
+- [TypeScript: useDefineForClassFields – How to avoid future Breaking Changes](https://angular.schule/blog/2022-11-use-define-for-class-fields)
 

Original file line number	Diff line number	Diff line change
`@@ -1670,4 +1670,5 @@ class FileSystemObject {`
`1670`	`1670`	`## 参考链接`
`1671`	`1671`
`1672`	`1672`	`- [TypeScript Constructor in Interface](http://fritzthecat-blog.blogspot.com/2018/06/typescript-constructor-in-interface.html)`
	`1673`	`+- [TypeScript: useDefineForClassFields – How to avoid future Breaking Changes](https://angular.schule/blog/2022-11-use-define-for-class-fields)`
`1673`	`1674`