Added some notes on vagrant in the README file
Added some notes on vagrant in the README file

SUSE/zypper-docker,mssola/zypper-docker,mssola/zypper-docker,jloehel/zypper-docker,jloehel/zypper-docker,mssola/zypper-docker,SUSE/zypper-docker,jloehel/zypper-docker,SUSE/zypper-docker,mssola/zypper-docker