Add Italian course about Typescript (#11515)

* Add Italian course about Cryptography

* Add Italian Bootstrap course

* Add Italian Typescript course

courses/free-courses-it.md

@@ -241,6 +241,7 @@
 * [Corso HTML 5 Completo 2023](https://www.youtube.com/playlist?list=PLP5MAKLy8lP8U-yYn6J4hGfcee4Tirieg) - Edoardo Midali
 * [Corso HTML 5 Italiano 2023](https://www.youtube.com/playlist?list=PL6PilnEO6HWbTXL8nLSkp-875H-x-vhEo) - Manuel Ricci
 * [Corso SEO Italiano 2023](https://www.youtube.com/playlist?list=PLP5MAKLy8lP9OpFQyF2LnTWgtcoDLgYm7) - Edoardo Midali
+* [Corso Typescript 2023](https://www.youtube.com/playlist?list=PLP5MAKLy8lP--n8iUsDsFMuTiKW5ooZE6) - Edoardo Midali
 * [Mini Corso React / TypeScript / TSX 2023](https://www.youtube.com/playlist?list=PLUioGv_6G9YJw8uZb040obhcCi8tQX9IQ) - Fabio Biondi
 * [Progettazione di applicazioni Web](https://www.youtube.com/playlist?list=PLE0AA1735F10543A6) - Fulvio Corno, S. Di Carlo, Politecnico di Torino