add hemo,help

src/layout/standalone-layout.vue

@@ -0,0 +1,16 @@
+<template>
+  <div class="standalone-layout">
+    <router-view />
+  </div>
+</template>
+
+<script lang="ts" setup>
+// 独立页面布局，不包含系统的导航栏和侧边栏
+</script>
+
+<style scoped lang="less">
+.standalone-layout {
+  width: 100%;
+  min-height: 100vh;
+}
+</style>