✨ feat(clock): add complete Clock app with backend, web, and landing

Features:
- World clock with timezone support and drag & drop sorting
- Alarms with repeat days, snooze, and custom sounds
- Multiple timers with start/pause/reset controls
- Stopwatch with lap times (local only)
- Pomodoro timer with customizable intervals
- Analog and digital clock widgets
- i18n support (DE, EN, FR, ES, IT)

Stack:
- Backend: NestJS 10, Drizzle ORM, PostgreSQL (port 3017)
- Web: SvelteKit 2.x, Svelte 5 runes, Tailwind CSS 4 (port 5186)
- Landing: Astro 5.x with animated clock hero (port 4323)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/clock/packages/shared/src/index.ts

@@ -0,0 +1,2 @@
+export * from './types';
+export * from './constants';