Update readme.md

Author: ruojianll

readme.md

@@ -8,6 +8,7 @@ Designed for vue 3, do the same work like [vue-class-component](https://github.c
 * Safety. Transform ES class to vue option api according to specifications.
 * Performance. Once transform on project loading, ready for everywhere.
 * Support ES class inheritance, vue `extends` and vue `mixins`.
+* [Official recommended](https://class-component.vuejs.org)
 
 
 Welcome to suggest and contribute.