update README & add LICENSE

Author: sumory

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 sumory.wu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1,22 +1,33 @@
 ### Ciao <sup>[tʃaʊ]<sup>
 
-a minimal C++ web framework inspired by [lor](https://github.com/sumory/lor) framework which respects [Sinatra](https://github.com/sinatra/sinatra) style.
-
+ [![GitHub release](https://img.shields.io/github/release/sumory/ciao.svg)](https://github.com/sumory/ciao/releases/latest) [![license](https://img.shields.io/github/license/sumory/ciao.svg)](https://github.com/sumory/ciao/blob/master/LICENSE)
 
-<details><summary>Example: Hello World!</summary><br>
+a minimal C++ web framework inspired by [lor](https://github.com/sumory/lor) framework which respects [Sinatra](https://github.com/sinatra/sinatra) style.
 
 
 ```c++
 #include <ciao/app.h>
 
+using namespace ciao;
+
 int main(int argc, char* argv[]) {
-    ciao::App app;
-    app.get("/", [](ciao::Request& req, ciao::Response& res, ciao::Next& next){
+    App app;
+    app.get("/", [](Request& req, Response& res, Next& next){
         res.send("hello world!");
     });
     app.listen(8080).run();
     return 0;
 }
 ```
 
-</details>
+### Features
+
+- [Sinatra](http://www.sinatrarb.com/) routing style
+- Middleware support
+- Group router support
+- HTTP API Server oriented design
+- Easy to integrate with other HTTP server/library
+
+### License
+
+[MIT](./LICENSE) License