add ignition to readme

Signed-off-by: Mikael Arguedas <[email protected]>

README.md

@@ -6,6 +6,7 @@ This repo hosts Dockerfiles and scaffolding for images in the Official Library a
 [Official docker library](https://github.com/osrf/docker_images/blob/master/README.md#official-library)<br/>
 [Official ROS (1 and 2) images](https://github.com/osrf/docker_images/blob/master/README.md#ros--)<br/>
 [Official Gazebo images](https://github.com/osrf/docker_images/blob/master/README.md#gazebo--)<br/>
+[Official Ignition images](https://github.com/osrf/docker_images/blob/master/README.md#ignition--)<br/>
 [OSRF ROS (1 and 2) overlay images](https://github.com/osrf/docker_images/blob/master/README.md#ros---1)<br/>
 [OSRF ROS 2 development images](https://github.com/osrf/docker_images/blob/master/README.md#ros2--)<br/>
 [OSRF Gazebo overlay images](https://github.com/osrf/docker_images/blob/master/README.md#gazebo---1)<br/>
@@ -16,6 +17,7 @@ This repo hosts Dockerfiles and scaffolding for images in the Official Library a
 | ROS | [![Build Status](https://github.com/osrf/docker_images/workflows/CI%20ROS%20images/badge.svg?branch=master)](https://github.com/osrf/docker_images/actions?query=workflow%3A%22CI+ROS+images%22+event%3Aschedule)
 | ROS 2 | [![Build Status](https://github.com/osrf/docker_images/workflows/CI%20ROS%202%20images/badge.svg?branch=master)](https://github.com/osrf/docker_images)
 | Gazebo | [![Build Status](https://github.com/osrf/docker_images/workflows/CI%20Gazebo%20images/badge.svg?branch=master)](https://github.com/osrf/docker_images/actions?query=workflow%3A%22CI+Gazebo+images%22+event%3Aschedule)
+| Ignition | [![Build Status](https://github.com/osrf/docker_images/workflows/CI%20Ignition%20images/badge.svg?branch=master)](https://github.com/osrf/docker_images/actions?query=workflow%3A%22CI+Ignition+images%22+event%3Aschedule)
 
 ---
 
@@ -63,6 +65,26 @@ For complete listing of tag, view the Repo Info link below.
 | [arm64v8](https://hub.docker.com/r/arm64v8/gazebo/tags) | [![Build Status](https://doi-janky.infosiftr.net/buildStatus/icon?job=multiarch/arm64v8/gazebo)](https://doi-janky.infosiftr.net/job/multiarch/job/arm64v8/job/gazebo/) |
 -->
 
+### [Ignition ![Docker Pulls](https://img.shields.io/docker/pulls/_/ignition.svg?label=pulls) ![Docker Stars](https://img.shields.io/docker/stars/_/ignition.svg?label=stars)](https://hub.docker.com/_/ignition)
+
+This repo contains images available for Ignition.
+For more documentation on using these images, view the Docker Hub repo link above.
+Images are tagged by releases version, meta package, as well as code name for supported OS base images.
+For complete listing of tag, view the Repo Info link below.
+
+#### [Repo Info](https://github.com/docker-library/repo-info/tree/master/repos/ignition)
+
+[![Compare Images](https://images.microbadger.com/badges/image/library/ignition.svg)](https://microbadger.com/#/images/library/ignition)
+
+#### Architectures
+
+| Type | Status |
+|---|---|
+| [amd64](https://hub.docker.com/r/amd64/ignition/tags) | [![Build Status](https://doi-janky.infosiftr.net/buildStatus/icon?job=multiarch/amd64/ignition)](https://doi-janky.infosiftr.net/job/multiarch/job/amd64/job/ignition/) |
+<!--
+| [arm32v7](https://hub.docker.com/r/arm32v7/ignition/tags) | [![Build Status](https://doi-janky.infosiftr.net/buildStatus/icon?job=multiarch/arm32v7/ignition)](https://doi-janky.infosiftr.net/job/multiarch/job/arm32v7/job/ignition/) |
+| [arm64v8](https://hub.docker.com/r/arm64v8/ignition/tags) | [![Build Status](https://doi-janky.infosiftr.net/buildStatus/icon?job=multiarch/arm64v8/ignition)](https://doi-janky.infosiftr.net/job/multiarch/job/arm64v8/job/ignition/) |
+-->
 ---
 
 ## [OSRF Profile](https://hub.docker.com/u/osrf/)