- Add rabbitmq/amqp091-go v1.11.0 dependency to go.mod
- Add MessageQueue struct with connection, channel, and url fields
- Add Message struct with Type, Payload, and Timestamp fields
- Add NewMessageQueue constructor with RABBITMQ_URL environment variable support and amqp://guest:guest@localhost:5672/ default
- Add Close method for connection cleanup
- Add DeclareQueue method with durable configuration
- Add Publish method with 5