Merge pull request #636 from mdosch/patch-1

s/leenode/libera

README.md

@@ -3,7 +3,7 @@
 [![license](https://img.shields.io/github/license/whipper-team/whipper.svg)](https://github.com/whipper-team/whipper/blob/develop/LICENSE)
 [![Build Status](https://travis-ci.com/whipper-team/whipper.svg?branch=develop)](https://travis-ci.com/whipper-team/whipper)
 [![GitHub (pre-)release](https://img.shields.io/github/release/whipper-team/whipper/all.svg)](https://github.com/whipper-team/whipper/releases/latest)
-[![IRC](https://img.shields.io/badge/irc-%23whipper%40freenode-brightgreen.svg)](https://webchat.freenode.net/?channels=%23whipper)
+[![IRC](https://img.shields.io/badge/irc-%23whipper%40libera.chat-brightgreen.svg)](https://web.libera.chat/?channels=%23whipper)
 [![GitHub Stars](https://img.shields.io/github/stars/whipper-team/whipper.svg)](https://github.com/whipper-team/whipper/stargazers)
 [![GitHub Issues](https://img.shields.io/github/issues/whipper-team/whipper.svg)](https://github.com/whipper-team/whipper/issues)
 [![GitHub contributors](https://img.shields.io/github/contributors/whipper-team/whipper.svg)](https://github.com/whipper-team/whipper/graphs/contributors)