T1(customer): add domain entities, Gender enum, and ICustomerService interface#55

devin-ai-integration[bot] wants to merge 1 commit into

devin/customer-serviceCognition-Partner-Workshops/quickapp-microservices:devin/customer-servicefrom

devin/customer-service-t1Cognition-Partner-Workshops/quickapp-microservices:devin/customer-service-t1Copy head branch name to clipboard