Add Readme with gist and article link

Author: Muharrem Tigdemir

Diff for: README.md

@@ -1,2 +1,10 @@
-# php-deployer-pipeline
-Deployer Pipeline Container for PHP Deployments
+## How To Deploy PHP Application with Deployer via Bitbucket CI/CD
+
+Please have a look at this article to find out how to use Deployer with self-build docker image and benefits of using your own image.
+
+https://medium.com/@mtigdemir/php-deployment-with-deployer-to-aws-via-bitbucket-pipeline-a605763c63bf
+
+
+## Example Bitbucket Pipeline 
+
+<script src="https://gist.github.com/mtigdemir/1bb599d7fa5caad3ab647aad87fadc18.js"></script>