* update free-Courses-en

updated react native playlist

* update-free-courses-en

updated reactnative playlist

* Update courses/free-courses-en.md

Update courses/free-courses-en.md suggestion added
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>