Add reference to GHCR package in README

README.md

@@ -1,4 +1,4 @@
-# StatsD [![Build Status][travis-ci_status_img]][travis-ci_statsd] [![Join the chat at https://gitter.im/statsd/statsd](https://badges.gitter.im/statsd/statsd.svg)](https://gitter.im/statsd/statsd?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) [![Docker Pulls](https://img.shields.io/docker/pulls/statsd/statsd)](https://hub.docker.com/r/statsd/statsd)
+# StatsD [![Join the chat at https://gitter.im/statsd/statsd](https://badges.gitter.im/statsd/statsd.svg)](https://gitter.im/statsd/statsd?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) [![Docker Pulls](https://img.shields.io/docker/pulls/statsd/statsd)](https://hub.docker.com/r/statsd/statsd)
 
 A network daemon that runs on the [Node.js][node] platform and
 listens for statistics, like counters and timers, sent over [UDP][udp] or
@@ -27,8 +27,9 @@ general values should be integers.
 ## Installation and Configuration
 
 ### Docker
-StatsD supports docker in two ways:
-* The official docker image on [docker hub](https://hub.docker.com/r/statsd/statsd)
+StatsD supports docker in three ways:
+* The official container image on [GitHub Container Registry](https://github.com/statsd/statsd/pkgs/container/statsd)
+* The official container image on [DockerHub](https://hub.docker.com/r/statsd/statsd)
 * Building the image from the bundled [Dockerfile](./Dockerfile)
 
 ### Manual installation