feat: add international page and update card component

- Introduced a new international page with dynamic content loading.
- Updated Card component to display article date if available.
- Removed unused about and contact pages.
- Cleaned up package-lock.json by removing unnecessary dependencies.

src/routes/international/+page.server.ts

@@ -0,0 +1,12 @@
+import { items } from '$lib/international';
+import type { PageServerLoad } from './$types';
+
+export const load: PageServerLoad = async () => ({
+	data: await Promise.all(
+		[...items.entries()].map(async ([path, load]) =>
+			load().then(({ metadata }) => ({ path, ...metadata }))
+		)
+	).then((data) =>
+		data.sort(({ date: a }, { date: z }) => new Date(z ?? 0).getTime() - new Date(a ?? 0).getTime())
+	)
+});