feat: enhance internationalization support with dynamic routing

src/pages/[lang]/posts/[slug].astro

@@ -1,13 +1,16 @@
 ---
+import { themeConfig } from '@/config'
 import Layout from '@/layouts/Layout.astro'
 import { getCollection } from 'astro:content'
 
 export async function getStaticPaths() {
   const posts = await getCollection('posts')
-  return posts.map(post => ({
-    params: { slug: post.slug },
-    props: { post },
-  }))
+  return themeConfig.global.moreLocale.flatMap(lang =>
+    posts.map(post => ({
+      params: { lang, slug: post.slug },
+      props: { post },
+    })),
+  )
 }
 
 const { post } = Astro.props