Imports of genkubedocs command

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/spf13/cobra/doc
k8s.io/kubernetes/cmd/genutils
k8s.io/kubernetes/cmd/kube-apiserver/appPackage app does all of the work necessary to create a Kubernetes APIServer by binding together the API, master and APIServer infrastructure.
k8s.io/kubernetes/cmd/kube-controller-manager/appPackage app implements a server that runs a set of active components.
k8s.io/kubernetes/cmd/kube-proxy/appPackage app does all of the work necessary to configure and run a Kubernetes app process.
k8s.io/kubernetes/cmd/kubelet/appPackage app makes it easy to create a kubelet server for various contexts.
k8s.io/kubernetes/plugin/cmd/kube-scheduler/app
osPackage os provides a platform-independent interface to operating system functionality.