初始化项目：添加后端代码、ThinkPHP框架、前端资源

addons/smsbao/controller/Index.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace addons\smsbao\controller;
+
+use think\addons\Controller;
+
+class Index extends Controller
+{
+
+    public function index()
+    {
+        $this->error("当前插件暂无前台页面");
+    }
+
+}