Update Argo CD documentation and kustomization files to include additional applications and namespace resources. Enhance README.md with current leaf applications and clarify optional components. This improves deployment clarity and organization for bootstrap workloads.

clusters/noble/bootstrap/argocd/app-of-apps/csi-snapshot-crds-application.yaml

@@ -0,0 +1,21 @@
+# Bootstrap app-of-apps leaf: external-snapshotter CRDs.
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: noble-csi-snapshot-crds
+  namespace: argocd
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io/background
+spec:
+  project: default
+  source:
+    repoURL: https://gitea.pcenicni.ca/gsdavidp/home-server.git
+    targetRevision: HEAD
+    path: clusters/noble/bootstrap/csi-snapshot-controller/crd
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: kube-system
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true