feat(package): 新增一些案例；但是 tailwindcss 仅在子项目生效

packages/nanxing-admin/components/layouts/Provider.vue

@@ -0,0 +1,8 @@
+<script setup lang="ts">
+import Default from './default/Index.vue';
+console.log('Provider layout loaded');
+</script>
+
+<template>
+  <Default> <slot /> </Default>
+</template>