create cluster CLI snippet to be corrected

[ezYakaEagle442]

Lab 1 /§2.2

az openshift create ...

with ARO 4.3 should be :

az aro create
--name $cluster_name
--vnet $vnet_name
--master-subnet $master_subnet_id
--worker-subnet $worker_subnet_id
--apiserver-visibility $apiserver_visibility
--ingress-visibility $ingress_visibility
--location $location
--pod-cidr $pod_cidr
--service-cidr $svc_cidr
--pull-secret @pull-secret.txt
--worker-count 3
--resource-group $rg_name

[lgmorand]

@ezYakaEagle442 these are optional parameters: https://learn.microsoft.com/fr-fr/cli/azure/aro?view=azure-cli-latest#az-aro-create