Export restConfig variable for use in other code base

[vatsalparekh]

shepherd/clients/rancher/client.go

Line 48 in e69b22c

restConfig *rest.Config

This is a easy way for other tests to utilise restConfig, only if it was exported and available for use

[igomez06]

What's the context of this? We purposely made it private, as this should only be updated with the NewClient constructor.