feat(tools): 添加工具箱页面及国际化支持

添加新的工具箱页面，包含三个实用工具卡片。更新国际化文件支持多语言显示。优化页面滚动锁定功能，使其可配置自定义类名。调整导航栏菜单项显示逻辑。

工具箱页面包含入场动画效果，并添加SEO元信息。滚动锁定功能现在支持自定义类名，便于不同场景使用。导航栏现在动态显示中间菜单项，排除最后一项。

i18n/locales/en.json

@@ -9,8 +9,19 @@
     "studio": "Studio",
     "work": "Work",
     "news": "News",
+    "tools": "Tools",
     "contact": "Contact"
   },
+  "tools": {
+    "title": "Toolbox",
+    "description": "Explore our curated collection of practical online tools to boost your productivity.",
+    "items": {
+      "drawio": "Powerful online diagramming tool for flowcharts, UML, and network topologies.",
+      "excalidraw": "Hand-drawn style whiteboard tool for easy sketching and collaborative thinking.",
+      "itTools": "An all-in-one practical tool collection for developers and IT professionals."
+    },
+    "visit": "Visit Tool"
+  },
   "home": {
     "title": "Home",
     "welcome": "Welcome to Arctic New One"