Added sample crontab file.
Added sample crontab file.

IHTSDO/OTF-Mapping-Service,IHTSDO/OTF-Mapping-Service,IHTSDO/OTF-Mapping-Service,IHTSDO/OTF-Mapping-Service,IHTSDO/OTF-Mapping-Service,IHTSDO/OTF-Mapping-Service