feat: 添加默认布局和第二布局，更新路由配置以支持新布局

src/layouts/default-layout.vue

@@ -0,0 +1,25 @@
+<template>
+  <div class="layout-tip">[default layout]</div>
+  <RouterView />
+</template>
+
+<script setup lang="ts"></script>
+
+<style>
+.layout-tip {
+  position: fixed;
+  top: 1rem;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 9999;
+  background-color: #fafafa;
+  border: 1px solid #ccc;
+  padding: 1rem;
+  border-radius: 0.5rem;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+  text-transform: uppercase;
+  opacity: 0.8;
+  background: rgba(255, 255, 255, 0.5); /* 半透明白色背景 */
+  backdrop-filter: blur(5px); /* 背景模糊 */
+}
+</style>

src/layouts/default.vue

@@ -1,9 +0,0 @@
-<template>
-  <RouterView />
-</template>
-
-<script setup lang="ts">
-import { RouterView } from 'vue-router';
-</script>
-
-<style scoped></style>

src/layouts/second.vue

@@ -0,0 +1,8 @@
+<template>
+  <div class="layout-tip">[second layout]</div>
+  <RouterView />
+</template>
+
+<script setup lang="ts"></script>
+
+<style scoped></style>