refactor: 完成多语言国际化全量替换与补充

1. 新增大量中英文语言包文件，覆盖自定义组件、页面、工具类的文案
2. 替换硬编码文本为多语言调用，统一全局文案管理
3. 优化语言包结构，拆分公共模块与业务模块
4. 修复部分语言加载与国际化适配问题

lang/en-us/article/detail.js

@@ -1,4 +1,10 @@
 export const lang = {
 	//title为每个页面的标题
-	title: 'Article Details'
-}
+	title: 'Article Details',
+	// publish time label
+	publishTime: 'Published:',
+	// read count label
+	readCount: 'Views: ',
+	// liked suffix (count + people liked)
+	likedSuffix: ' likes'
+}

lang/en-us/article/list.js

@@ -1,5 +1,5 @@
 export const lang = {
-	//title为每个页面的标题
+	//title is the title of each page
 	title: 'Article List',
-	emptyText: "No article information available currently"
-}
+	emptyText: 'No articles'
+}