C++ course by hitesh choudhary in hindi (#11345)

* C++ course by hitesh choudhary in hindi

* Fix linter issue

* Update courses/free-courses-hi.md

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

---------

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

courses/free-courses-hi.md

@@ -210,6 +210,7 @@
 * [C++ Tutorial for Beginners \| C++ Tutorials In Hindi](https://www.youtube.com/playlist?list=PLmGElG-9wxc8VMy1nNHDQldH2dU8Y08s7) - Manish Gehlot, WsCube Tech Programming Concepts
 * [C++ Tutorial In Hindi](https://www.youtube.com/playlist?list=PLhvdldYcnZMl3Smc6ANF6rO56ORgwb46g) - Coding Wallah Sir
 * [C++ Tutorials In Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9agpFUAlPFe_VNSlXW5uE0YL) - CodeWithHarry
+* [Chai aur C++](https://www.youtube.com/playlist?list=PLu71SKxNbfoCPfgKZS8UE0MDuwiKvL8zi) - Chai aur Code
 * [The Complete C++ Course \| Hindi](https://www.youtube.com/playlist?list=PLLYz8uHU480j37APNXBdPz7YzAi4XlQUF) - Saurabh Shukla