README.md in mongoid-kms-0.0.35 vs README.md in mongoid-kms-0.0.36

- old
+ new

@@ -1,4 +1,6 @@
+[![Circle CI](https://circleci.com/gh/compose/mongoid-kms.svg?style=svg)](https://circleci.com/gh/compose/mongoid-kms)
+
 # Mongoid::Kms
 
 Easily encrypt your datas using AWS's KSM.
 
 ## Installation