mkcloud.md: discuss runtest env files
mkcloud.md: discuss runtest env files

vmoravec/automation,aspiers/automation,aspiers/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,vmoravec/automation,SUSE-Cloud/automation,gosipyan/automation,gosipyan/automation,vmoravec/automation,SUSE-Cloud/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation