move old contents in

docs/.vitepress/config.mts

@@ -1,4 +1,4 @@
-import { defineConfig } from 'vitepress'
+import { defineConfig } from "vitepress";
 
 // https://vitepress.dev/reference/site-config
 export default defineConfig({
@@ -6,23 +6,8 @@ export default defineConfig({
   description: "Chinese grammar excerpts and interactive app",
   themeConfig: {
     // https://vitepress.dev/reference/default-theme-config
-    nav: [
-      { text: 'Home', link: '/' },
-      { text: 'Examples', link: '/markdown-examples' }
-    ],
-
-    sidebar: [
-      {
-        text: 'Examples',
-        items: [
-          { text: 'Markdown Examples', link: '/markdown-examples' },
-          { text: 'Runtime API Examples', link: '/api-examples' }
-        ]
-      }
-    ],
-
-    socialLinks: [
-      { icon: 'github', link: 'https://github.com/vuejs/vitepress' }
-    ]
-  }
-})
+    outline: {
+      level: "deep",
+    },
+  },
+});