Adding role docker containers

README.md

inventories/host_vars/example_server.yml

playbook_example_05_docker_containers.yml

roles/README.md

roles/docker_containers/README.md

roles/docker_containers/defaults/main.yml

roles/docker_containers/meta/main.yml

roles/docker_containers/tasks/main.yml

roles/docker_containers/tasks/printer_compose_down.yml

roles/docker_containers/tasks/printer_compose_restart.yml

roles/docker_containers/tasks/printer_compose_stop.yml

roles/docker_containers/tasks/printer_compose_up.yml

roles/docker_containers/tasks/printer_host_cups_disable.yml

roles/docker_images/README.md