feat: add basic webui

apps/web/app/robots.ts

@@ -0,0 +1,15 @@
+import { env } from '@konobangu/env';
+import type { MetadataRoute } from 'next';
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: {
+      userAgent: '*',
+      allow: '/',
+    },
+    sitemap: new URL(
+      '/sitemap.xml',
+      env.NEXT_PUBLIC_VERCEL_PROJECT_PRODUCTION_URL
+    ).href,
+  };
+}