added alphabet item

- added to database and localization definitions
- added sheet
- added to talents & abilities tab
- removed languages & alphabets from actor properties

src/module/config.ts

@@ -51,6 +51,7 @@ export const DS4 = {
         talent: "DS4.ItemTypeTalent",
         racialAbility: "DS4.ItemTypeRacialAbility",
         language: "DS4.ItemTypeLanguage",
+        alphabet: "DS4.ItemTypeAlphabet",
     },
 
     /**