added placeholder substitution directive for encryption key
added placeholder substitution directive for encryption key

justinchu17/ilios,thecoolestguy/ilios,justinchu17/ilios,justinchu17/ilios,justinchu17/ilios,thecoolestguy/ilios,stopfstedt/ilios,Trott/ilios,ilios/ilios,stopfstedt/ilios,dartajax/ilios,dartajax/ilios,Trott/ilios,ilios/ilios