katas Requirements document: https://docs.google.com/document/d/1SML3n4JbpZV2PSLRpjaCvBvyUMVsFwlqAQF3VKd_oPU/edit Topology Diagram: https://github.com/fridgebenefits/katas/blob/main/FridgeBenefits_Topology.png Architecural Decision Record: Asynchronous Purchase service ADR Point-Of-Sale abstraction ADR