Update README.md

Updated the readme to link back to the Linchpin site

Author: aaronware

README.md

@@ -4,6 +4,8 @@ Love WordPress? Love WP Engine and want to take advantage of their git deploymen
 
 At [Linchpin](https://linchpin.agency) we use [WP Engine](https://www.wpengine.com) and [Codeship](https://www.codeship.com) and love both. Hopefully you find this shell script useful.
 
+For a more indepth walk through please visit [this article](https://linchpin.agency/blog/continuous-deployment-wp-engine-codeship/?utm_source=github&utm_medium=deployments&utm_campaign=wpengine) on the Linchpin site.
+
 # Beta Public Release Version 1.0
 
 ### The instructions and the deployment script assumes the following