NATS data store and event broker

[legout]

Things to check first

• I have searched the existing issues and didn't find my feature already requested there

Feature description

Support NATS as a data store and event broker for apscheduler.

https://nats.io/

Use case

• NATS Jetstream KV Store or Object Store could be uses as a data store
• NATS Core Pub/Sub or NASTS Jetstrem Streams as a Event Broker. Using the build in queue groups could be leveraged to load balance workers and add priorities to a different queues.

[agronholm]

This would need a PR from someone else. I have my hands full with getting the basics done.

[legout]

Maybe I will look into it during the Holiday season. Do you have some tips, which parts of the code are neccessary to have a deeper look into?

[agronholm]

Just take a look at the existing data stores and event brokers. Also note that the API isn't stable yet, and won't be until the final release of 4.0.0, so you may have to adjust your code along the way.