Add Italian to README

Author: dejdav

README.md

@@ -47,3 +47,4 @@ php artisan nova-lang:publish de,ru --force
 | Chinese (Taiwan) | zh-TW | completed | [CasperLaiTW](https://github.com/CasperLaiTW) |
 | Georgian | ka | completed | [akalongman](https://github.com/akalongman) |
 | Brazilian Portuguese | pt-BR | completed | [eduardokum](https://github.com/eduardokum) |
+| Italian | it | completed | [dejdav](https://github.com/dejdav) |