Add Italian course about Machine Learning (EbookFoundation#11600)

* Add Italian course about Cryptography

* Add Italian Bootstrap course

* Add Italian Typescript course

* Add Italian course about Machine Learning

Author: mcicolella

courses/free-courses-it.md

@@ -157,6 +157,7 @@
 ### Machine Learning
 
 * [Machine Learning in italiano col Pollo Watzlawick](https://www.youtube.com/playlist?list=PLa-sizbCyh93c0nSPAb8k5ZZeOq4SBIl9) - Piero Savastano
+* [Machine Learning Reti Neurali](https://www.youtube.com/playlist?list=PL-tCoHPn6YlbCQHeyRxc_CQ0f1VZsUD6D) - Davide Manzoni (Brainlink)
 
 
 ### Misto