add explanation of docker related files to readme
add explanation of docker related files to readme
OpenLMIS/openlmis-referencedata,OpenLMIS/openlmis-referencedata,OpenLMIS/openlmis-template-service,OpenLMIS/openlmis-template-service,OpenLMIS/openlmis-template-service,OpenLMIS/openlmis-referencedata,OpenLMIS/openlmis-template-service,OpenLMIS/openlmis-referencedata