docs: example of new extension library

README-CN.md

@@ -31,10 +31,16 @@ vue3 环境的 Markdown 编辑器，使用 `jsx` 和 `typescript` 语法开发
 yarn add md-editor-v3
 ```
 
-使用语言、预览主题扩展库：
+使用已存在的语言、主题扩展，例如：日语
 
 ```shell
-yarn add @vavt/md-editor-extension
+yarn add @vavt/cm-extension
+```
+
+使用更多的扩展工具栏组件，例如：导出内容为 PDF
+
+```shell
+yarn add @vavt/v3-extension
 ```
 
 更多使用及贡献方式参考：[md-editor-extension](https://github.com/imzbf/md-editor-extension)

README.md

@@ -32,10 +32,16 @@ Markdown editor for vue3, developed in `jsx` and `typescript`.
 yarn add md-editor-v3
 ```
 
-Install existing extension of language and theme of preview:
+Use existing extension of language and theme, such as Japanese
 
 ```shell
-yarn add @vavt/md-editor-extension
+yarn add @vavt/cm-extension
+```
+
+Use existing components of toolbar, such as exporting content as PDF
+
+```shell
+yarn add @vavt/v3-extension
 ```
 
 For more ways to use or contribute, please refer to: [md-editor-extension](https://github.com/imzbf/md-editor-extension)