Fix README for containerd/calico/certmanager/nginx (#7950)
Fix README for containerd/calico/certmanager/nginx (#7950)


kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,kubernetes-incubator/kargo,kubernetes-incubator/kargo,kubernetes-sigs/kubespray,Atoms/kubespray,Atoms/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray