added talents overview and sheet

- added talents item type:
  - added scss
  - added to template.json (Item.types, Item.talent)
   - added to config.ts itemTypes
   - added type definition
- added localizations
- added talent overview tab to actor sheet
- made total rank calculated upon data preparation
  by adding a prepareData method to DS4Item

src/template.json

@@ -100,7 +100,7 @@
         }
     },
     "Item": {
-        "types": ["weapon", "armor", "shield", "trinket", "equipment"],
+        "types": ["weapon", "armor", "shield", "trinket", "equipment", "talent"],
         "templates": {
             "base": {
                 "description": ""
@@ -137,6 +137,14 @@
         },
         "equipment": {
             "templates": ["base", "physical"]
+        },
+        "talent": {
+            "templates": ["base"],
+            "talentRank": {
+                "base": 0,
+                "max": 0,
+                "mod": 0
+            }
         }
     }
 }