CoffeeShop
TODO
[x] Implement Transactional Outbox
[x] Implement Choreography Saga
[ ] Implement Orchestration Saga
[ ] Handle Duplicated models better, e.g using Avro to model objects and gen. where needed.
[ ] Implement WebSocket / SSE solution to integrate with SPA
[ ] Implement MP Reactive Messaging Producers instead of Kafka Producer API (CDI injection of Channel not supported)