Extended distributed processes examples with Choreography and Process Manager

Extended distributed processes examples with Choreography and Process Manager in addition to the already existing Saga example.

See details in PR oskardudycz/EventSourcing.NetCore#40.

Full sample: https://github.com/oskardudycz/EventSourcing.JVM/tree/main/samples/distributed-processes/src/main/java/io/eventdriven/distributedprocesses/hotelmanagement

Video with explanation: