Update README.md

Author: twogg-git

README.md

@@ -25,3 +25,5 @@ docker run -v $pwd:/go/src/app -p 8181:8080 -d --name go-light golang:1.8 /bin/b
 ```sh
 docker rm -f go-light
 ```
+
+[![Run on Google Cloud](https://storage.googleapis.com/cloudrun/button.svg)](https://console.cloud.google.com/cloudshell/editor?shellonly=true&cloudshell_image=gcr.io/cloudrun/button&cloudshell_git_repo=https://github.com/twogg-git/go-light.git)