Docs have incorrect command in baremetal.md
Docs have incorrect command in baremetal.md

The output shown is for `kubectl get node` and not `kubectl describe node`.

I've updated the docs to use the correct command.
caicloud/ingress,kubernetes/ingress-nginx,caicloud/ingress,kubernetes/ingress-nginx,kubernetes/ingress-nginx,caicloud/ingress,aledbf/ingress-nginx,canhnt/ingress,canhnt/ingress,aledbf/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,caicloud/ingress,aledbf/ingress-nginx,canhnt/ingress,aledbf/ingress-nginx,canhnt/ingress