README.md in null-logger-0.1.0 vs README.md in null-logger-0.1.1

@@ -1,9 +1,10 @@
 # Null Logger
 
 [![Build Status](https://travis-ci.org/karafka/null-logger.svg?branch=master)](https://travis-ci.org/karafka/null-logger)
 [![Code Climate](https://codeclimate.com/github/karafka/null-logger/badges/gpa.svg)](https://codeclimate.com/github/karafka/null-logger)
+[![Gem Version](https://badge.fury.io/rb/null-logger.svg)](http://badge.fury.io/rb/null-logger)
 
 A simple logger that does not log anything. It can be used for defining an interface for other loggers.
 
 
 ## Installation
@@ -39,9 +40,19 @@
         raise exception
       end
     end
   end
 ```
+
+
+## References
+
+* [Karafka framework](https://github.com/karafka/karafka)
+* [Waterdrop](https://github.com/karafka/waterdrop)
+* [Worker Glass](https://github.com/karafka/worker-glass)
+* [Envlogic](https://github.com/karafka/envlogic)
+* [Null Logger Travis CI](https://travis-ci.org/karafka/null-logger)
+* [Null Logger Code Climate](https://codeclimate.com/github/karafka/null-logger)
 
 ## Note on Patches/Pull Requests
 
 Fork the project.
 Make your feature addition or bug fix.