added cp heading and courses in free-courses-hi.md (#7520)

* added cp heading and courses in free-courses-hi.md

made a new category of competitive programming and added two courses in it

* Update courses/free-courses-hi.md

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

* 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

@@ -9,6 +9,7 @@
 * [C](#c)
 * [C#](#csharp)
 * [C++](#cpp)
+* [Competitive Programming](#competitive-programming)
 * [Compiler Design](#compiler-design)
 * [Computer Organization and Architecture](#computer-organization-and-architecture)
 * [Data Structures](#data-structures)
@@ -119,6 +120,12 @@
 * [The Complete C++ Course \| Hindi](https://www.youtube.com/playlist?list=PLLYz8uHU480j37APNXBdPz7YzAi4XlQUF) - Saurabh Shukla
 
 
+### Competitive Programming
+
+* [Competitive Programming/DSA Course \| Hindi](https://www.youtube.com/playlist?list=PLauivoElc3ggagradg8MfOZreCMmXMmJ-) - Luv
+* [Full course in Competitive programming [ Hindi ] \|\| -by prince](https://www.youtube.com/playlist?list=PLzjZaW71kMwTGbP1suqY16w1VSb9ZNuvE) - Hello World
+
+
 ### Compiler Design
 
 * [Compiler Design (Complete Playlist)](https://www.youtube.com/playlist?list=PLxCzCOWd7aiEKtKSIHYusizkESC42diyc) - Gate Smashers (YouTube)