add not maintained message

README.md

@@ -1,3 +1,19 @@
+# This repo is not maintained anymore
+
+I am officially not maintaining this project anymore. It was an amazing journey and I want to thank everyone for
+playing the role in this amazing story!
+
+More details can be found here: [https://medium.com/@gekkoplus/archiving-open-source-gekko-dba02e6efc7](https://medium.com/@gekkoplus/archiving-open-source-gekko-dba02e6efc7)
+
+This only impacts my Gekko repo (askmike/gekko). There might be other forks of Gekko out there that are being maintained!
+
+------
+
+Old content:
+
+------
+
+
 # Gekko [![npm](https://img.shields.io/npm/dm/gekko.svg)]() [![Build Status](https://travis-ci.org/askmike/gekko.png)](https://travis-ci.org/askmike/gekko) [![Build status](https://ci.appveyor.com/api/projects/status/github/askmike/gekko?branch=stable&svg=true)](https://ci.appveyor.com/project/askmike/gekko)
 
 ![Gordon Gekko](http://mikevanrossum.nl/static/gekko.jpg)