fix 404 gitter link

#60

Author: ManAnRuck

README.md

@@ -5,7 +5,7 @@
 [![Build status](https://img.shields.io/travis/diamondio/better-queue.svg?style=flat-square)](https://travis-ci.org/diamondio/better-queue)
 [![Dependency Status](https://img.shields.io/david/diamondio/better-queue.svg?style=flat-square)](https://david-dm.org/diamondio/better-queue)
 [![Known Vulnerabilities](https://snyk.io/test/npm/better-queue/badge.svg?style=flat-square)](https://snyk.io/test/npm/better-queue)
-[![Gitter](https://img.shields.io/badge/gitter-join_chat-blue.svg?style=flat-square)](https://gitter.im/diamondio/better-queue?utm_source=badge)
+[![Gitter](https://img.shields.io/badge/gitter-join_chat-blue.svg?style=flat-square)](https://gitter.im/leanderlee/better-queue?utm_source=badge)
 
 
 ## Super simple to use