[Operator] Add Data Index Deployment to SonataFlowPlatform

spec:
  services:
    dataIndex:
      enabled: false
      persistence:
        postgresql:
          secretRef:
            name: <creds-secret>
            userKey: <secret-user-key>
          jdbcUrl: "jdbc:postgresql://host:port/database?currentSchema=data-index-service"
      podTemplate:
        replicas: 1
        container:
          image: <image:tag>