Add Docker courses from #3856 issue, check_urls=free-courses-en.md (#4693)

* Add Docker courses from #3856 issue, check_urls=free-courses-en.md

* Reword titles to playlist titles

free-courses-en.md

@@ -212,8 +212,10 @@
 
 ### Docker
 
+* [Docker](https://www.youtube.com/playlist?list=PLhW3qG5bs-L99pQsZ74f-LC-tOEsBp2rK) - Raghav Pal 
 * [Docker Tutorial](https://www.tutorialspoint.com/docker/index.htm) - TutorialsPoint
 * [Docker Tutorial for Beginners](https://www.youtube.com/watch?v=fqMOX6JJhGo) - FreeCodeCamp
+* [IIEC RISE 1.0 Docker](https://www.youtube.com/playlist?list=PLAi9X1uG6jZ30QGz7FZ55A27jPeY8EwkE)
 * [Learn Docker, Container Runtimes, Builders and Registries](https://www.katacoda.com/courses/container-runtimes) - Katacoda