Update chat badge in README

README.md

@@ -13,7 +13,7 @@ Secure, end-to-end encrypted, and privacy respecting sync for your contacts, cal
       height="80" />](https://f-droid.org/app/com.etesync.syncadapter)
 
 ![GitHub tag](https://img.shields.io/github/tag/etesync/android.svg)
-[![Chat on freenode](https://img.shields.io/badge/irc.freenode.net-%23EteSync-blue.svg)](https://webchat.freenode.net/?channels=#etesync)
+[![Chat with us](https://img.shields.io/badge/chat-IRC%20|%20Matrix%20|%20Web-blue.svg)](https://www.etebase.com/community-chat/)
 
 # Overview