feat(01-01): create SvelteKit project with dependencies

- SvelteKit minimal template with TypeScript
- Tailwind CSS v4 with @tailwindcss/vite plugin
- ESLint and Prettier for code quality
- Dependencies: better-sqlite3, drizzle-orm, nanoid, zod
- Dev server runs on localhost:5173

src/routes/+page.svelte

@@ -0,0 +1,2 @@
+<h1 class="text-2xl font-bold text-blue-600">TaskPlanner</h1>
+<p class="text-gray-600">Foundation setup complete.</p>