Docs: add gitter badge to README.md

Close gh-4138

diff --git a/README.md b/README.md
index 9d3e6262ded809e257f3c902a4aea563c8e9e7ea..efc2b3baf86fcb99c5d7bdd2f3ba74c3268036dd 100644 (file)
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 
 [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fjquery%2Fjquery.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fjquery%2Fjquery?ref=badge_shield)
 
+[![Gitter](https://badges.gitter.im/jquery/jquery.svg)](https://gitter.im/jquery/jquery?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+
 Contribution Guides
 --------------------------------------