添加 @unhead/vue 和 vite-plugin-sitemap 依赖，更新路由元信息以包含描述标签，配置 sitemap 插件，添加 robots.txt 文件

vite.config.js

@@ -1,12 +1,23 @@
-import { defineConfig } from 'vite'
-import vue from '@vitejs/plugin-vue'
-import path from 'path'
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import path from "path";
+import sitemap from "vite-plugin-sitemap";
 
 export default defineConfig({
-  plugins: [vue()],
+  plugins: [
+    vue(),
+    sitemap({
+      hostname: "https://www.kisechan.space",
+      routes: [
+        { path: "/", name: "主页" },
+        { path: "/links", name: "友链" },
+        { path: "/tools", name: "工具" },
+      ],
+    }),
+  ],
   resolve: {
     alias: {
-      '@': path.resolve(__dirname, './src')
-    }
-  }
-})
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+});