Add example ruby client: list idle/busy worker nodes and age of last ping
-rw-r--r-- 48 .gitignore
drwxr-xr-x - apps
drwxr-xr-x - crunch_scripts
drwxr-xr-x - doc
drwxr-xr-x - docker
drwxr-xr-x - sdk
drwxr-xr-x - services