feat: update the contact page, add a modal box to display detailed information; refactor the header and footer components

data/urls.tsx

@@ -1,22 +1,22 @@
 // data/websites.ts
 export const websites = [
   {
-    icon: "./globe.svg",
-    title: "实验室网站1",
-    description: "网站1的简介。",
-    link: "https://website1.example.com",
+    icon: "./gitea.svg",
+    title: "Gitea",
+    description: "实验室 Git 服务。",
+    link: "https://git.intcplab.cn",
   },
   {
-    icon: "./globe.svg",
-    title: "实验室网站2",
-    description: "网站2的简介。",
+    icon: "./bbs.svg",
+    title: "实验室论坛",
+    description: "只是一个假的论坛。",
     link: "https://website2.example.com",
   },
   {
-    icon: "./globe.svg",
-    title: "实验室网站3",
-    description: "网站3的简介。",
-    link: "https://website3.example.com",
+    icon: "./unknow.svg",
+    title: "挑战赛排行榜",
+    description: "机器学习课程配套挑战赛排行榜。",
+    link: "https://rank.intcplab.cn",
   },
   // 添加更多网站数据
 ];