Merge pull request #2 from assertible/wip-readme-badge

Add Assertible status badge for staging environment

Author: CodyReichert

README.md

@@ -1,6 +1,10 @@
 # Add post deploy smoke tests to any Codeship pipeline
 
-[![Assertible status](https://assertible.com/apis/d1d4c735-9afc-42d9-970a-f5b1cc797152/status?api_token=8b55a286830323effb)](https://assertible.com) [![Codeship status](https://codeship.com/projects/1f082380-f64b-0134-b0e6-5e8fac69f0da/status?branch=master)](https://codeship.com)
+Production tests: [![Assertible status](https://assertible.com/apis/d1d4c735-9afc-42d9-970a-f5b1cc797152/status?api_token=8b55a286830323effb)](https://assertible.com)
+
+Staging tests: [![Assertible status](https://assertible.com/apis/d1d4c735-9afc-42d9-970a-f5b1cc797152/status?api_token=8b55a286830323effb&environment=staging)](https://assertible.com)
+
+Codeship build: [![Codeship status](https://codeship.com/projects/1f082380-f64b-0134-b0e6-5e8fac69f0da/status?branch=master)](https://codeship.com)
 
 This is an example of **an automated post-deployment testing
 pipeline** on staging and production environments, with a sample Ruby