refactor: update language configuration

src/components/PostList.astro

@@ -1,6 +1,6 @@
 ---
 import PostTime from '@/components/PostTime.astro'
-import { defaultLocale } from '@/i18n/config'
+import { defaultLocale } from '@/config'
 
 interface Post {
   data: {
@@ -16,7 +16,6 @@ interface Post {
   }
 }
 
-// Get post list and page language parameter from props
 const { posts, lang } = Astro.props
 
 export interface Props {
@@ -24,9 +23,8 @@ export interface Props {
   lang?: string
 }
 
-// Get multilingual post URL path
 function getPostPath(post: Post) {
-  // If abbrlink is set, it will be used instead of slug
+  // Prioritize abbrlink over slug
   const postPath = post.data.abbrlink || post.slug
   // Add language prefix to URL if current page is in a language subdirectory and not the default language
   return lang && lang !== defaultLocale ? `/${lang}/posts/${postPath}/` : `/posts/${postPath}/`