Atomix example for code club presentation
To start the three instances from the presentation:
./gradlew bootRun -Dserver.port=8181 -Datomix.port=9001
./gradlew bootRun -Dserver.port=8282 -Datomix.port=9002
./gradlew bootRun -Dserver.port=8383 -Datomix.port=9003