- Add Stat/StatItem PHP models for stat collections with configuration
- Refactor stat components with nested attributes (icon:*, value:*, label:*, trend:*, card:*)
- Rename stat 'stats' prop to 'items' for consistency
- Add inline layout support to form and input-group components
- Change form footer to hidden by default (shown when buttons configured)
- Add UxIcon factory methods (fromString, lucide, cil, heroicons)
- Add skeleton:chart component for chart loading states
- Update number type with French locale default and locale-aware formatting
- Add badge text prop for easier text setting
- Update preview templates with new nested attribute syntax