Update README to reflect Vagrant no longer is default
Update README to reflect Vagrant no longer is default

digibib/koha-docker,digibib/koha-docker,digibib/koha-salt-docker,digibib/koha-salt-docker,digibib/koha-salt-docker,digibib/koha-docker,digibib/koha-salt-docker,digibib/koha-salt-docker,digibib/koha-docker,digibib/koha-docker,digibib/koha-docker