back-link added

collaboratewithakash · web-flow · commit d69d417b1bcb · 2019-02-05T16:43:06.000+05:30
diff --git a/apache-spark/README.md b/apache-spark/README.md
@@ -1,3 +1,4 @@
 ### Relevant articles
 
 - [Introduction to Apache Spark](http://www.baeldung.com/apache-spark)
+- [Building a Data Pipeline with Kafka, Spark Streaming and Cassandra](https://www.baeldung.com/kafka-spark-data-pipeline)

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
`1`	`1`	`### Relevant articles`
`2`	`2`
`3`	`3`	`- [Introduction to Apache Spark](http://www.baeldung.com/apache-spark)`
	`4`	`+- [Building a Data Pipeline with Kafka, Spark Streaming and Cassandra](https://www.baeldung.com/kafka-spark-data-pipeline)`