Doc: Give an example of using kvm/kvm2 driver
Doc: Give an example of using kvm/kvm2 driver

Add an example usage of using the kvm and kvm2 drivers to the
documentation.

warmchang/minikube,kubernetes/minikube,dims/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,kubernetes/minikube,aaron-prindle/minikube,dlorenc/minikube,kubernetes/minikube,dims/minikube,r2d4/minikube,dalehamel/minikube,r2d4/minikube,warmchang/minikube,dlorenc/minikube,dalehamel/minikube,dalehamel/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,warmchang/minikube,r2d4/minikube,aaron-prindle/minikube,dlorenc/minikube,aaron-prindle/minikube,dims/minikube,dlorenc/minikube