enable oidc support for argocd

apps/argocd-config-app.yaml

@@ -0,0 +1,18 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: argocd-config
+  namespace: argocd
+spec:
+  project: default
+  source:
+    repoURL: https://git.cloud-infra.prod.openmailserver.de/stabify/gitops.git
+    targetRevision: HEAD
+    path: apps/argocd-config
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: argocd
+  syncPolicy:
+    automated:
+      prune: false # Safety: Don't delete ArgoCD resources not managed by this app
+      selfHeal: true