Add cert-manager

cert-manager/base/cert-manager-namespace.yml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: cert-manager
+spec:
+  finalizers:
+  - kubernetes

cert-manager/base/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: cert-manager
+resources:
+- https://github.com/cert-manager/cert-manager/releases/download/v1.16.1/cert-manager.yaml