👋 (basic reference Harvey#11)

As per title, we have a setup that does rely on Sources having different config file and Tests having different config file as well (this is described as valid nested configuration setting here). This works correctly on local machine, but on CI with Danger & SwiftLint it just goes with default root config.

I didn't really have time to look this one up in the code, I know that Ash doesn't have much time to explore this one either, so if anyone is up for checking this one out please feel free to do so.

Cheers!