[Feature Request]: Make APIClientService a protocol and allow users to provide request handler

[wmalloc]

Summary

Allow users to be able to provide their own request handlers

Pain points

Would like to add request and resposne interceptors ro api calls.

Considered Alternatives

No response

Is this a breaking change?

Yes

Library Examples

https://github.com/apple/swift-http-types

Additional Context

No response

[MasterJ93]

Yeah, I'm okay with this. And I might also use that library for it. Once I add the OpenAPI generator, I'll add this to the list of things to do.