- added :invalid definition to side-properties CSS
- defined common color for invalidity
- now using disabled input for automatically calculated properties
- 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
