Just: command runner & documentation

I wanted the bootstrap process to be simple; ideally a single command and it would be up and running. But that’s not what we have right now; just look at this monstrosity from the previous post : helm install cilium cilium/cilium \ --namespace kube-system \ --version 1.19.2 \ --set kubeProxyReplacement=true \ --set k8sServiceHost=10.1.4.10 \ --set k8sServicePort=6443 \ --set l2announcements.enabled=true \ --set externalIPs.enabled=true \ --set gatewayAPI.enabled=true \ --set ipam.mode=kubernetes \ --set ope