Update README.md

Author: viartemev

README.md

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 # The White Rabbit 
 [![Build Status](https://travis-ci.org/viartemev/the-white-rabbit.svg?branch=master)](https://travis-ci.org/viartemev/the-white-rabbit)
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 The White Rabbit is an asynchronous RabbitMQ library based on Kotlin coroutines.