* feat: upgrade to svelte 5 & tailwind v4 + add navigation menu to ui package * feat: website navigation with nav menu from shadcn * chore: refactor navigation menu storybook * fix: responsiveness bug * chore: remove tailwind config file * chore: - remove carbon icons from repo - add Geist font family * refactor website --------- Co-authored-by: Rotimi Best <best@classroomio.com>