Bootstrap 2nd ArgoCD CAPZ cluster with CAAPH

[dtzar]

https://cluster-api.sigs.k8s.io/tasks/workload-bootstrap-gitops

Add Argo app configuration to this folder to get automatically installed (for PE-persona/infra cluster baseline apps installed): https://github.com/Azure-Samples/aks-platform-engineering/tree/main/gitops/apps/infra

[dtzar]

Completed partially with #82 and can close this issue once #83 is resolved