Add initial project files

apps/web/app/sitemap.ts

@@ -0,0 +1,15 @@
+import type { MetadataRoute } from 'next';
+import { getWebRuntimeAPI } from '#web-runtime/api/web-runtime-api';
+import { siteUrl } from '#web-runtime/lib/site-url';
+import { buildSitemap } from '#web-runtime/lib/sitemap';
+import { getPathname } from '#i18n/navigation';
+
+function publicPath(locale: string, path: string): string {
+  return getPathname({ locale, href: path ? `/${path}` : '/' });
+}
+
+export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
+  const entries = await getWebRuntimeAPI().listSitemapPages();
+
+  return buildSitemap(entries, siteUrl(), publicPath);
+}