Added a Ruby Course in Hindi (#11518)

* Added a Ruby Course in Hindi

* Update free-courses-hi.md

courses/free-courses-hi.md

@@ -727,6 +727,7 @@
 
 ### Ruby
 
+* [Complete Ruby Programming Course \|\| Hindi](https://www.youtube.com/playlist?list=PLgPJX9sVy92y_ENwi_4hMCpDtQFnazFPp) - CS Geeks
 * [Learn Ruby in 45 Minutes \| Hindi](https://www.youtube.com/watch?v=3V9a_WYEQPA) - CS Geeks