Update README.md

Author: LearningJournal

README.md

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-# SparkProgrammingInScala
-Apache Spark Course Material
+# Apache Spark 3 - Spark Programming in Scala for Beginners
+This is the central repository for all the materials related to <em>Apache Spark 3 - Spark Programming in Scala for Beginners</em> <br>Course by Prashant Pandey.
+<br> You can get the full course at <a href="https://www.udemy.com/course/apache-spark-programming-in-scala/?referralCode=BFF37C437A7431C20F14"> 
+  Apache Spark Course @ Udemy.
+</a>
+<a href="https://www.udemy.com/course/apache-spark-programming-in-scala/?referralCode=BFF37C437A7431C20F14">
+<img src="https://www.learningjournal.guru/_resources/img/jpg-5x/spark-beginners-course.jpg" alt="Apache Spark 3 - Spark Programming in Scala for Beginners" width="300" align="left"> 
+</a>