Update playbook example on README
Update playbook example on README

jonbec/kargo,kubernetes-sigs/kubespray,insequent/kargo,Lendico/kargo,kubernetes-incubator/kargo,insequent/kargo,Atoms/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray,rogerwelin/kargo,Atoms/kubespray,Smana/setup-kubernetes,ayaz/kubespray,Lendico/kargo,kubernetes-sigs/kubespray,kubespray/kargo,kubernetes-incubator/kubespray,kubernetes-incubator/kargo,jonbec/kargo,rogerwelin/kargo,VincentS/kargo,Abdelsalam-Abbas/kubespray_fork,hatch-k8s/kargo,Smana/setup-kubernetes,kubespray/kargo,kubernetes-sigs/kubespray,sgm-media/kargo,galthaus/setup-kubernetes,VincentS/kargo,hatch-k8s/kargo,galthaus/setup-kubernetes,ayaz/kubespray,jcsirot/kubespray,Abdelsalam-Abbas/kubespray_fork,jcsirot/kubespray,kubernetes-sigs/kubespray,sgm-media/kargo,Atoms/kubespray