Add zsh completion and docs
Add zsh completion and docs

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