library files added to setup.cfg (#5274)
library files added to setup.cfg (#5274)

It hopefully ensures the usability of Kubespray as pip.
Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray,kubernetes-incubator/kargo,kubernetes-incubator/kargo,Atoms/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray