refactor(config): 重构多语言菜单配置并修复链接页面slug

- 将内联在 languages.toml 中的菜单配置提取到独立的 menu.en.toml 和 menu.zh-cn.toml 文件，提升模块化和可维护性
- 删除旧的 menu.toml 文件，统一使用按语言分隔的配置文件
- 为英文链接页面添加缺失的 slug 字段，确保路由正确
- 修复英文版 email 社交链接的 URL，将其指向正确的链接页面

Author: CodeGlimpse

config/_default/languages.toml

@@ -7,35 +7,6 @@ contentDir = "content/zh-cn"
 weight = 1
     [zh-cn.params.sidebar]
         subtitle = "我的数字花园 🌱 - 基于 GitHub Pages 搭建的博客与文档。欢迎分享想法！"
-    [zh-cn.menu]
-        [[zh-cn.menu.main]]
-            identifier = "home"
-            name = "主页"
-            url = "/"
-            weight = 1
-            [zh-cn.menu.main.params]
-                icon = "home"
-        [[zh-cn.menu.main]]
-            identifier = "archives"
-            name = "所有博客"
-            url = "/archives/"
-            weight = 2
-            [zh-cn.menu.main.params]
-                icon = "archives"
-        [[zh-cn.menu.main]]
-            identifier = "search"
-            name = "搜索"
-            url = "/search/"
-            weight = 3
-            [zh-cn.menu.main.params]
-                icon = "search"
-        [[zh-cn.menu.main]]
-            identifier = "links"
-            name = "链接"
-            url = "/links/"
-            weight = 4
-            [zh-cn.menu.main.params]
-                icon = "link"
 
 [en]
 languageName = "English"
@@ -44,33 +15,4 @@ title = "Personal Blogs for Fernweh"
 contentDir = "content/en"
 weight = 2
     [en.params.sidebar]
-        subtitle = "My digital garden 🌱 - A blog and docs built with GitHub Pages. Thoughts welcome!"
-    [en.menu]
-        [[en.menu.main]]
-            identifier = "home"
-            name = "Home"
-            url = "/en/"
-            weight = 1
-            [en.menu.main.params]
-                icon = "home"
-        [[en.menu.main]]
-            identifier = "archives"
-            name = "Archives"
-            url = "/en/archives/"
-            weight = 2
-            [en.menu.main.params]
-                icon = "archives"
-        [[en.menu.main]]
-            identifier = "search"
-            name = "Search"
-            url = "/en/search/"
-            weight = 3
-            [en.menu.main.params]
-                icon = "search"
-        [[en.menu.main]]
-            identifier = "links"
-            name = "Links"
-            url = "/en/links/"
-            weight = 4
-            [en.menu.main.params]
-                icon = "link"
+        subtitle = "My digital garden 🌱 - A blog and docs built with GitHub Pages. Thoughts welcome!"

config/_default/menu.en.toml

@@ -0,0 +1,45 @@
+[[main]]
+    identifier = "home"
+    name = "Home"
+    url = "/en/"
+    weight = 1
+    [main.params]
+        icon = "home"
+
+[[main]]
+    identifier = "archives"
+    name = "Archives"
+    url = "/en/archives/"
+    weight = 2
+    [main.params]
+        icon = "archives"
+
+[[main]]
+    identifier = "search"
+    name = "Search"
+    url = "/en/search/"
+    weight = 3
+    [main.params]
+        icon = "search"
+
+[[main]]
+    identifier = "links"
+    name = "Links"
+    url = "/en/links/"
+    weight = 4
+    [main.params]
+        icon = "link"
+
+[[social]]
+    identifier = "github"
+    name = "GitHub"
+    url = "https://github.com/CodeGlimpse"
+    [social.params]
+        icon = "brand-github"
+
+[[social]]
+    identifier = "email"
+    name = "Email"
+    url = "/en/links/"
+    [social.params]
+        icon = "mail"

config/_default/menu.toml

@@ -0,0 +1,45 @@
+[[main]]
+    identifier = "home"
+    name = "主页"
+    url = "/"
+    weight = 1
+    [main.params]
+        icon = "home"
+
+[[main]]
+    identifier = "archives"
+    name = "所有博客"
+    url = "/archives/"
+    weight = 2
+    [main.params]
+        icon = "archives"
+
+[[main]]
+    identifier = "search"
+    name = "搜索"
+    url = "/search/"
+    weight = 3
+    [main.params]
+        icon = "search"
+
+[[main]]
+    identifier = "links"
+    name = "链接"
+    url = "/links/"
+    weight = 4
+    [main.params]
+        icon = "link"
+
+[[social]]
+    identifier = "github"
+    name = "GitHub"
+    url = "https://github.com/CodeGlimpse"
+    [social.params]
+        icon = "brand-github"
+
+[[social]]
+    identifier = "email"
+    name = "Email"
+    url = "mailto:libochen@codeglimpse.top"
+    [social.params]
+        icon = "mail"

config/_default/menu.zh-cn.toml

@@ -1,5 +1,6 @@
 ---
 title: Contacts
+slug: "links"
 links:
   - title: GitHub
     description: GitHub is the world's largest software development platform.