code: @RobotKeywordOverload
      @ArgumentNames({ "topic", "message" })
      public void publishToMQTTSynchronously(String topic, Object message)
              throws MqttException {
          publishToMQTTSynchronously(topic, message, 0, false);
      }
docs: Publish a message to a topic
  
  @param topic
  topic to which the message will be published
  @param message
  message payload to publish
  @throws MqttException
  if there is an issue publishing to the broker