Update free-courses-en.md

free-courses-en.md

@@ -75,6 +75,7 @@
 * [Functional Programming with Clojure](http://mooc.fi/courses/2014/clojure/index.html)
 
 ### Cuda
+
 * [Intro to Parallel Programming Using CUDA to Harness the Power of GPUs](https://www.udacity.com/course/intro-to-parallel-programming--cs344)
 
 ### Databases