Nats jetstream support for flowable event registry

**Is your feature request related to a problem? Please describe.**
No

A clear and concise description of what the problem is.
I am trying to use Nats Jetstream instead of Kafka for the event registry
**Describe the solution you'd like**
Flowable should be able to receive and send messages from and to Nats Jetstream

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**Describe alternatives you've considered**

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If anyone could give Hint on how to do it, I can do it and submit PR

**Additional context**

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Models, if applicable, always help to clarify a problem. Ideally, a unit test makes reproducing things easier.