Add CUDA Course (changes made) (#11388)

* Add CUDA Course

* Add CUDA Course

* Update free-courses-en.md

Added one extra newline to adhere the automated test

* Update free-courses-en.md

Added duration of the video

* Update free-courses-en.md to adhere the guidelines

Added the full link, not the shortened one.

courses/free-courses-en.md

@@ -498,6 +498,7 @@
 ### Cuda
 
 * [CUDA Crash Course](https://www.youtube.com/playlist?list=PLxNPSjHT5qvtYRVdNN1yDcdSl39uHV_sU) - CoffeeBeforeArch
+* [CUDA Programming Course – High-Performance Computing with GPUs](https://www.youtube.com/watch?v=86FAWCzIe_4&t=2s) - Elliot Arledge (FreeCodeCamp)
 * [CUDA Tutorials](https://www.youtube.com/playlist?list=PLKK11Ligqititws0ZOoGk3SW-TZCar4dK) - Creel
 * [Intro to Parallel Programming Using CUDA to Harness the Power of GPUs](https://www.udacity.com/course/intro-to-parallel-programming--cs344) (Udacity)