- complete ui redesign with custom css variables and dark mode support

- implement state management with vanilla js instead of jquery
- add advanced features including:
  - pagination
  - search/filter/sort capabilities
  - link statistics dashboard
  - per-item actions (copy url, open in new tab)
- improve ux with toast notifications and loading indicators
- enhance metadata extraction (`rel` and `target` attributes)
- rebrand to "LinkScan" with responsive design

Author: TobiasMue91