docs(docs): update development md

docs/pages/dev/index.md

@@ -30,18 +30,36 @@ pnpm i
 pnpm dev
 ```
 
-因为本项目是 `valaxy-theme-sakura` 包含 `valaxy-addon-live2d`仓库。所以如果您在clone本项目时没有下载子模块，则执行：
+::: zh-CN
+因为本项目是 `valaxy-theme-sakura` 其中包含 `valaxy-addon-live2d`仓库。所以如果您在clone本项目时没有下载子模块，则执行：
+:::
+
+::: en
+Because this project is `valaxy-theme-sakura` which contains the `valaxy-addon-live2d` repository. So if you did not download the submodule when cloning this project, execute:
+:::
 
 ``` bash
 git submodule init
 git submodule update
 ```
 
+::: zh-CN
 > 相关链接：[git-子模块](https://git-scm.com/book/zh/v2/Git-%E5%B7%A5%E5%85%B7-%E5%AD%90%E6%A8%A1%E5%9D%97)
+:::
+
+::: en
+> Related links: [git-submodule](https://git-scm.com/book/en/v2/Git-Tools-Submodules)
+:::
 
 ## Docs
 
-请在 vscode 安装 [markdownlint](https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint) 插件，以确保您编写的Markdown文档符合规范
+::: zh-CN
+请在 vscode 安装 [markdownlint](https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint) 插件，以确保您编写的Markdown文档符合规范。
+:::
+
+::: en
+Please install the [markdownlint](https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint) plug-in in vscode to ensure that the Markdown documents you write comply with the specifications.
+:::
 
 ``` bash
 pnpm run docs