add the possibility to create a standby cluster that streams from a remote primary

manifests/postgresql.crd.yaml

@@ -472,6 +472,10 @@ spec:
                     type: string
                   gs_wal_path:
                     type: string
+                  standby_host:
+                    type: string
+                  standby_port:
+                    type: string
               streams:
                 type: array
                 nullable: true

manifests/standby-manifest.yaml

@@ -10,6 +10,8 @@ spec:
   numberOfInstances: 1
   postgresql:
     version: "14"
-# Make this a standby cluster and provide the s3 bucket path of source cluster for continuous streaming.
+  # Make this a standby cluster and provide either the s3 bucket path of source cluster or the remote primary host for continuous streaming.
   standby:
     s3_wal_path: "s3://path/to/bucket/containing/wal/of/source/cluster/"
+    # standby_host: ""
+    # standby_port: ""