feat: 增加d2-crud-plus示例

src/menu/modules/demo-d2-crud-plus.js

@@ -0,0 +1,32 @@
+import '@/views/demo/d2-crud-plus/install'
+export default {
+  path: '/demo/d2-crud-plus',
+  title: 'D2 CRUD PLUS',
+  iconSvg: 'd2-crud-plus',
+  children: (pre => [
+    { path: `${pre}index`, title: 'D2 CRUD PLUS', icon: 'home' },
+    {
+      title: '简单示例',
+      path: `${pre}demo`
+    },
+    {
+      title: '表单分组',
+      path: `${pre}group`
+    },
+    {
+      title: '综合示例',
+      path: `${pre}synthesize`
+    },
+    {
+      title: '更多示例',
+      icon: 'link',
+      path: 'http://qiniu.veryreader.com/D2CrudPlusExample/'
+    },
+    {
+      title: '帮助文档',
+      icon: 'link',
+      path: 'http://greper.gitee.io/d2-crud-plus/'
+    }
+
+  ])('/demo/d2-crud-plus/')
+}