Added React.js Course By Mosh (#7419)

* Added english react course

* Corrected format

* fix: Expand YT urls and use titles as provided by original source

* fix: alphabetize

* lint: alphabetize

* chore: add instructor

Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>

courses/free-courses-en.md

@@ -689,6 +689,7 @@
 * [React Crash Course 2020](https://www.youtube.com/watch?v=4UZrsTqkcW4) - freecodecamp
 * [React Hooks](https://www.youtube.com/playlist?list=PLZlA0Gpn_vH8EtggFGERCwMY5u5hOjf-h) - WebDevSimplified
 * [React Tutorials](https://www.youtube.com/playlist?list=PLWKjhJtqVAbkArDMazoARtNz1aMwNWmvC) - freeCodeCamp
+* [ReactJS - Tutorial for Beginners](https://www.youtube.com/watch?v=Ke90Tje7VS0) - Mosh Hamedani (Programming with Mosh)
 * [ReactJS Basics](https://www.youtube.com/playlist?list=PLe30vg_FG4OSw8SIcLVci-jB_-W1ZkLYp) - Bitfumes
 * [ReactJS Frontend Web Development For Beginners](https://www.udemy.com/course/react-tutorial/) - Ryan Dhungel (Udemy)
 * [ReactJS Full Course for Beginners \| Complete All-in-One Tutorial \| 9 Hours](https://www.youtube.com/watch?v=RVFAyFWO4go) - Dave Gray