新建项目,集成官方docs，初次提交

app/layouts/docs.vue

@@ -0,0 +1,22 @@
+<script setup lang="ts">
+import type { ContentNavigationItem } from '@nuxt/content'
+
+const navigation = inject<Ref<ContentNavigationItem[]>>('navigation')
+</script>
+
+<template>
+  <UContainer>
+    <UPage>
+      <template #left>
+        <UPageAside>
+          <UContentNavigation
+            highlight
+            :navigation="navigation"
+          />
+        </UPageAside>
+      </template>
+
+      <slot />
+    </UPage>
+  </UContainer>
+</template>