Callback and Events Handling

[remear]

Create a guide for creating a callback and listening for events. Leverage https://github.com/remear/balanced-spectator as an example event listener that enqueues events in RabbitMQ.

Look into releasing the important parts of Cloverleaf (@remear) as open source for processing events out of RabbitMQ.

[remear]

https://docs.balancedpayments.com/1.1/guides/events/