added a devops YouTube playlist from Intellipaat (#8517)

* added a devops YouTube playlist from Intellipaat

* Update courses/free-courses-en.md

Committing this suggested change

Co-authored-by: Eric Hellman <eric@hellman.net>

Co-authored-by: Eric Hellman <eric@hellman.net>

courses/free-courses-en.md

@@ -472,6 +472,7 @@
 ### DevOps
 
 * [DevOps Bootcamp](https://www.youtube.com/playlist?list=PL9gnSGHSqcnoqBXdMwUTRod4Gi3eac2Ak) - Kunal Kushwaha
+* [DevOps Tutorial for Beginners](https://www.youtube.com/playlist?list=PLVHgQku8Z934suC9LSE6vaAKjOH_MfRbE) - Intellipaat
 * [Intro to DevOps](https://www.udacity.com/course/intro-to-devops--ud611) - Karl Krueger, Dwayne Lessner, Gundega Dekena (Udacity)