README.md in null-logger-0.1.1 vs README.md in null-logger-0.1.3

- old
+ new
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 # 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)
+[![Join the chat at https://gitter.im/karafka/karafka](https://badges.gitter.im/karafka/karafka.svg)](https://gitter.im/karafka/karafka?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 A simple logger that does not log anything. It can be used for defining an interface for other loggers.
 
 
 ## Installation