- Add `SkipLink` component that appears on focus and jumps to main content.
- Update `en.ts` and `de.ts` with "Skip to content" translation.
- Add `id="main-content"`, `tabIndex={-1}`, and `outline: 'none'` to `Home`, `About`, and `Contact` pages to ensure proper focus management.
- Add tests for `SkipLink`.
- Document Skip Link pattern in `.Jules/palette.md`.
This improves accessibility for keyboard and screen reader users by allowing them to bypass navigation.
Co-authored-by: ragusa-it <196988693+ragusa-it@users.noreply.github.com>
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