refactor: refactor the frame layout of admin module

web/src/views/admin/demo/Editor.vue

@@ -0,0 +1,21 @@
+<template>
+  <div class="container">
+    <div class="plugins-tips">
+      md-editor-v3：vue3版本的 markdown 编辑器，配置丰富，请详看文档。 访问地址：
+      <a href="https://imzbf.github.io/md-editor-v3/index" target="_blank">md-editor-v3</a>
+    </div>
+    <md-editor class="mgb20" v-model="text" @on-upload-img="onUploadImg"/>
+    <el-button type="primary">提交</el-button>
+  </div>
+</template>
+
+<script setup>
+import {MdEditor} from 'md-editor-v3';
+import 'md-editor-v3/lib/style.css';
+import {ref} from "vue";
+
+const text = ref('Hello Editor!');
+const onUploadImg = (files) => {
+  console.log(files);
+};
+</script>