Added Italian translations for ability.ts and other element (#471)

src/system/settings.ts

@@ -180,6 +180,10 @@ export function setSetting(scene: BattleScene, setting: Setting, value: integer)
                 label: 'Spanish',
                 handler: () => changeLocaleHandler('es')
               },
+              {
+                label: 'Italian',
+                handler: () => changeLocaleHandler('it')
+              },
               {
                 label: 'French',
                 handler: () => changeLocaleHandler('fr')