feat: enhance EventFightList with grouping and selection features

- Added grouping functionality to the EventFightList component, allowing fights to be grouped by their associated group.
- Implemented row selection with checkboxes for both individual fights and groups, enabling bulk selection.
- Updated columns definition to include a checkbox for selecting all rows and individual row selection checkboxes.
- Modified the checkbox component to support indeterminate state and improved styling.
- Enhanced date formatting for fight start times in the table.

package.json

@@ -21,6 +21,7 @@
 		"@astrojs/tailwind": "^5.1.5",
 		"@astropub/icons": "^0.2.0",
 		"@internationalized/date": "^3.7.0",
+		"@lucide/svelte": "^0.488.0",
 		"@types/color": "^4.2.0",
 		"@types/node": "^22.9.3",
 		"@types/three": "^0.170.0",