Add: Beginners typescript course (Matt Pocock) (#7274)

* Update free-courses-en.md

Add beginners typescript by Matt Pocock

* Add: Beginners typescript course (Matt Pocock)

courses/free-courses-en.md

@@ -998,6 +998,7 @@
 
 ### TypeScript
 
+* [Beginner's Typescript](https://www.totaltypescript.com/tutorials/beginners-typescript) - Matt Pocock
 * [ES6 and Typescript Tutorial](https://www.youtube.com/playlist?list=PLC3y8-rFHvwhI0V5mE9Vu6Nm-nap8EcjV) - Codevolution, Vishwas Gopinath (YouTube)
 * [Introduction to TypeScript](https://www.udemy.com/typescript/) - Daniel Stern (Udemy)
 * [TypeScript Fast Crash Course](https://www.udemy.com/typescript-fast-crash-course/) - Edwin Diaz, Coding Faculty Solutions (Udemy)