feat(postgres): Add Component to enable super user access

ref: #18

Author: jon-nfc

manifests/postgres/components/enable-super_user_access/kustomization.yaml

@@ -0,0 +1,24 @@
+---
+
+apiVersion: kustomize.config.k8s.io/v1alpha1
+kind: Component
+
+
+patches:
+  # yamllint disable rule:indentation
+  - patch: |-
+
+      - op: replace
+        path: /spec/enableSuperuserAccess
+        value: true
+
+      - op: add
+        path: /spec/superuserSecret
+        value:
+          name: cluster-superuser
+
+    # yamllint enable rule:indentation
+    target:
+      group: postgresql.cnpg.io
+      version: v1
+      kind: Cluster