Add GH Actions badges to README

Signed-off-by: Devin Bonnie <[email protected]>

Author: dabonnie

README.md

@@ -36,6 +36,10 @@ The source code is released under [Apache 2.0].
 - Melodic
 
 ### Build status
+GitHub Action Status
+* master: ![Build & Test](https://github.com/aws-robotics/kinesisvideo-ros1/workflows/Build%20&%20Test/badge.svg?branch=master&event=schedule)
+* release-latest: ![Build & Test release-latest](https://github.com/aws-robotics/kinesisvideo-ros1//workflows/Build%20&%20Test%20release-latest/badge.svg?event=schedule)
+
 * Travis CI:
     * "master" branch [![Build Status](https://travis-ci.org/aws-robotics/kinesisvideo-ros1.svg?branch=master)](https://travis-ci.org/aws-robotics/kinesisvideo-ros1/branches)
     * "release-latest" branch [![Build Status](https://travis-ci.org/aws-robotics/kinesisvideo-ros1.svg?branch=release-latest)](https://travis-ci.org/aws-robotics/kinesisvideo-ros1/branches)