make id and payload columns configurable

manifests/complete-postgres-manifest.yaml

@@ -200,8 +200,12 @@ spec:
 #  streams:
 #  - database: foo
 #    tables:
-#      data.ta: event_type_a
-#      data.tb: event_type_b
+#      data.ta:
+#        eventType: event_type_a
+#      data.tb:
+#        eventType: event_type_b
+#        idColumn: tb_id
+#        payloadColumn: tb_payload
 #    # Optional. Filter ignores events before a certain txnId and lsn. Can be used to skip bad events
 #    filter:
 #      data.ta: "[?(@.source.txId > 500 && @.source.lsn > 123456)]"

manifests/postgresql.crd.yaml

@@ -487,7 +487,16 @@ spec:
                     tables:
                       type: object
                       additionalProperties:
-                        type: string
+                        type: object
+                        required:
+                          - evenType
+                        properties:
+                          eventType:
+                            type: string
+                          idColumn:
+                            type: string
+                          payloadColumn:
+                            type: string
               teamId:
                 type: string
               tls: