message: Add link to reference of Kafka usage
  This PR adds a link to the excellent blog:
  `Streaming Machine Learning with Tiered Storage and Without a Data Lake`,
  courtesy to Kai.
diff: @@ -317,6 +317,7 @@ Note:
  ## More Information
  +* [Streaming Machine Learning with Tiered Storage and Without a Data Lake](https://www.confluent.io/blog/streaming-machine-learning-with-tiered-storage/) - [Kai Waehner](https://github.com/kaiwaehner)
  * [TensorFlow with Apache Arrow Datasets](https://medium.com/tensorflow/tensorflow-with-apache-arrow-datasets-cdbcfe80a59f) - [Bryan Cutler](https://github.com/BryanCutler)
  * [How to build a custom Dataset for Tensorflow](https://towardsdatascience.com/how-to-build-a-custom-dataset-for-tensorflow-1fe3967544d8) - [Ivelin Ivanov](https://github.com/ivelin)
  * [TensorFlow on Apache Ignite](https://medium.com/tensorflow/tensorflow-on-apache-ignite-99f1fc60efeb) - [Anton Dmitriev](https://github.com/dmitrievanthony)
  