added language item

- added to database and localization definitions
- added sheet
- added to talents overview

src/module/config.ts

@@ -50,6 +50,7 @@ export const DS4 = {
         equipment: "DS4.ItemTypeEquipment",
         talent: "DS4.ItemTypeTalent",
         racialAbility: "DS4.ItemTypeRacialAbility",
+        language: "DS4.ItemTypeLanguage",
     },
 
     /**