add pg operator deployment

kustomize/postgres/kustomization.yaml

@@ -0,0 +1,4 @@
+namespace: postgres-operator
+
+resources:
+- postgres.yaml

kustomize/postgres/postgres.yaml

@@ -0,0 +1,27 @@
+apiVersion: postgres-operator.crunchydata.com/v1beta1
+kind: PostgresCluster
+metadata:
+  name: hippo
+spec:
+  image: registry.developers.crunchydata.com/crunchydata/crunchy-postgres:ubi8-15.2-0
+  postgresVersion: 15
+  instances:
+    - name: instance1
+      dataVolumeClaimSpec:
+        accessModes:
+        - "ReadWriteOnce"
+        resources:
+          requests:
+            storage: 1Gi
+  backups:
+    pgbackrest:
+      image: registry.developers.crunchydata.com/crunchydata/crunchy-pgbackrest:ubi8-2.41-4
+      repos:
+      - name: repo1
+        volume:
+          volumeClaimSpec:
+            accessModes:
+            - "ReadWriteOnce"
+            resources:
+              requests:
+                storage: 1Gi