[Feature Request] Allow IConsumerBuilder configuration

[rcollina]

Is your request related to a problem you have?

It would be nice to have more control on IConsumerBuilder when creating a consumer.

https://github.com/Farfetch/kafkaflow/blob/master/src/KafkaFlow/Consumers/Consumer.cs#L239

Describe the solution you'd like

An addition to the existing IConsumerConfigurationBuilder fluent interface.

Are you able to help bring it to life and contribute with a Pull Request?

No

Additional context

I can’t contribute a PR right now but I’d love to in the future.