refactor(projects): 路由声明重构，添加composables，BaseLayout进行中，文件夹规范

src/views/multi-menu/first/second/index.vue

@@ -1,6 +1,10 @@
 <template>
-  <div>多级菜单-二级菜单</div>
+  <div>
+    <n-card title="多级菜单-二级菜单" class="h-full shadow-sm rounded-16px"></n-card>
+  </div>
 </template>
 
-<script setup lang="ts"></script>
+<script setup lang="ts">
+import { NCard } from 'naive-ui';
+</script>
 <style scoped></style>