Add Sylva Unit to backup CAPI Configuration of workload clusters

Summary

Add a Sylva unit using the existing kube_cronjob Kustomize unit to back up the CAPI configuration of the Workload Clusters.

This unit will run the clusterctl move command periodically, ensuring that CAPI configurations are consistently backed up.

Details

1. Add Backup-CAPI Unit:

   • Implement a kube_cronjob resource to schedule the clusterctl move command.

2. Configure Monitoring:

   • Set up monitoring to ensure the backup process succeeds and alerts on failures.