Add cert-manager

clank/clusters/platform/cert-manager/cert-manager.yaml

@@ -0,0 +1,15 @@
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
+kind: Kustomization
+metadata:
+  name: cert-manager
+  namespace: platform
+spec:
+  interval: 30m0s
+  retryInterval: 30s
+  path: ./clank/platform/cert-manager
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: cert-manager
+  targetNamespace: default