Revert "Merge pull request #4254 from astaxie/develop-2.0"

This reverts commit e284b0ddae, reversing
changes made to 8ef8fd2606.

doc.go

@@ -1,15 +1,17 @@
-// Copyright 2020
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+Package beego provide a MVC framework
+beego: an open-source, high-performance, modular, full-stack web framework
 
+It is used for rapid development of RESTful APIs, web apps and backend services in Go.
+beego is inspired by Tornado, Sinatra and Flask with the added benefit of some Go-specific features such as interfaces and struct embedding.
+
+	package main
+	import "github.com/astaxie/beego"
+
+	func main() {
+	 beego.Run()
+	}
+
+more information: http://beego.me
+*/
 package beego