Feat: Integrate message broker

[sandviklee]

Summary

Make a tradeoff on different message brokers, and choose one that fits to implement in cogi-go!!
We need it for async operations and messaging.

Suggested ones to look into:

• Kafka
• RabbitMQ

[sandviklee]

@A1ice-Z Could you look into this? We need a tradeoff between them:)