Add api tutorial from issue #267

README.md

@@ -370,6 +370,7 @@
 * [**Python**: _Web application from scratch_](https://defn.io/2018/02/25/web-app-from-scratch-01/)
 * [**Python**: _Building a basic HTTP Server from scratch in Python_](http://joaoventura.net/blog/2017/python-webserver/)
 * [**Ruby**: _Building a simple websockets server from scratch in Ruby_](http://blog.honeybadger.io/building-a-simple-websockets-server-from-scratch-in-ruby/)
+* [**Python**: _Implementing a RESTful Web API with Python & Flask_](http://blog.luisrei.com/articles/flaskrest.html)
 
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