Add shell script to delete orphaned docker volumes
Add shell script to delete orphaned docker volumes

MichaelDrogalis/docker-cleanup-volumes,ganiutomo/docker-cleanup-volumes,docker-in-practice/docker-cleanup-volumes,chadoe/docker-cleanup-volumes,wmgaca/docker-cleanup-volumes,OpenGrape/docker-cleanup-volumes,rasata/docker-cleanup-volumes,dsanders11/docker-cleanup-volumes,screwgoth/docker-cleanup-volumes,PlanitarInc/docker-cleanup-volumes