feat: add cherry cluster basic infra

clusters/cherry/apps/cert-manager.yaml

@@ -0,0 +1,24 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: cherry-cert-manager
+  namespace: argocd
+spec:
+  project: infrastructure
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - CreateNamespace=true
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: cert-manager
+  source:
+    chart: cert-manager
+    repoURL: https://charts.jetstack.io
+    targetRevision: 1.13.1
+    helm:
+      releaseName: cert-manager
+      valuesObject:
+        installCRDs: true