Update free-courses-hi.md (#8566)

* Update free-courses-hi.md

you a complete Android App Development Course With KOTLIN In Hindi For Free.

* Update courses/free-courses-hi.md

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

courses/free-courses-hi.md

@@ -79,6 +79,7 @@
 * [Android App Development Full Course in Hindi](https://youtube.com/playlist?list=PLRu7mEBdW7fAUNtaiPoTCCgWXSlqwqdSP) - Geeky Hub
 * [Android Development Tutorial for Beginners](https://www.youtube.com/playlist?list=PLUcsbZa0qzu3Mri2tL1FzZy-5SX75UJfb) - Anuj Bhaiya
 * [Android Development Tutorials in Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9aiL0kysYlfSOUgY5rNlOhUd) - CodeWithHarry
+* [Android Development With KOTLIN \| Android App Development Course In Hindi](https://www.youtube.com/playlist?list=PL6Fr59UplGvL7q7P3Hg6nYzS45gld-CCI) - Zain Farhan
 * [App Development Course For School Students \| Certified Course By Coding Blocks Junior](https://youtube.com/playlist?list=PLhLbJ9UoJCvu4ktQMUJJq-D_6-Eoz8lOk) - Coding Blocks Junior
 * [Complete Android Development Course in Hindi](https://www.youtube.com/playlist?list=PLUhfM8afLE_Ok-0Lx2v9hfrmbxi3GgsX1) - Neat Roots