Add build status to readme

Build is currently broken, but we'll fix that!

Author: danbee

README.md

@@ -1,5 +1,8 @@
 # Chess
 
+[ ![Codeship Status for
+danbee/chess](https://app.codeship.com/projects/efaab440-a15e-0134-60ee-668e7d704228/status?branch=master)](https://app.codeship.com/projects/189842)
+
 ## Getting started
 
   * Run the setup script at `bin/setup`