Update README.md

Author: surybala

README.md

@@ -1,2 +1,13 @@
-aws-codedeploy-agent
-====================
+# AWS CodeDeploy Agent
+
+[![Code Climate](https://codeclimate.com/github/aws/aws-codedeploy-agent.png)](https://codeclimate.com/github/aws/aws-codedeploy-agent)
+
+## Build Steps
+
+``` ruby
+git clone https://github.com/aws/aws-codedeploy-agent.git
+gem install bundler
+cd aws-codedeploy-agent
+bundle install
+rake clean && rake
+```