Next.js 13 appDir 实战 i18n

# 背景 官方目前未打算支持 i18n 国际化路由支持，且尚未提供解决方案，但是我们可以通过实验特性 appDir 来实现。 > ## Not Planned Features > > We are currently not planning to include the following features in app: > > - Internationalization (i18n) - we will be providing a guide on how to implement internationalization in app. > - AMP Support > > If you need any of these features, we will continue to support `pages`, including bug fixes and feature additions, for multiple major versions. 文档地址： https://beta.nextjs.org/docs/app-directory-roadmap#not-planned-features 首先需要了解一下 `Server and Client Components` 服务器组件和客户端组件。 | What do you need to do? | Server Component | Client Component | | :