story(queue): implement a runtime for rabbitmq

[Zaba505]

Description

As a dev, I want to implement a queue.Runtime which processes RabbitMQ messages concurrently, so that users of humus can implement their processor business logic and humus handles consuming and acknowledging the successfully processed messages.

Implementation notes

• This should be implemented in a new package queue/rabbitmq
• 2 runtime implementations should be provided: AtMostOnceRuntime and AtLeastOnceRuntime.
• Use https://github.com/rabbitmq/rabbitmq-amqp-go-client as the client

Acceptance Criteria

• Fully runnable example has been implemented in example/queue/rabbitmq-at-most-once. This example should come with a podman-compose.yaml which runs rabbitmq
• Fully runnable example has been implemented in example/queue/rabbitmq-at-least-once. This example should come with a podman-compose.yaml which runs rabbitmq
• unit tests are created and passing for queue/rabbitmq
• the queue/rabbitmq package, types, and functions are documented

Related Issues

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