Added niosh worlds
Related tasks
https://gitlab.com/ignitionrobotics/web/cloudsim-admin-scripts/-/merge_requests/31
Context
Adds NIOSH worlds. See also: https://github.com/osrf/subtportal/pull/130
https://gitlab.com/ignitionrobotics/web/cloudsim-admin-scripts/-/merge_requests/31
Adds NIOSH worlds. See also: https://github.com/osrf/subtportal/pull/130