Update free-courses-it adding a Javascript course (#2866)

* Update free-courses-it adding a Javascript course

* Update free-courses-it.md

free-courses-it.md

@@ -82,6 +82,7 @@
 
 ### Javascript
 
+* [Corso di Javascript (base)](https://www.youtube.com/watch?v=JUBhi8O3wn0&list=PLG5caACNVwzpIhlLACNZd6BvABWv_Ti4I) [(Lacerba.io)](https://lacerba.io)
 * [Corso Javascript (ES6)](https://www.youtube.com/watch?v=dDekOIgzxPA&list=PL0qAPtx8YtJceyk5_NpNvLbbkrmfX9kkw) (F. Camuso)