chore: add helix-api and workspace config to monorepo

helix-api/docs/app/routes/not-found.tsx

@@ -0,0 +1,25 @@
+import type { Route } from './+types/not-found';
+import { HomeLayout } from 'fumadocs-ui/layouts/home';
+import { Link } from 'react-router';
+import { baseOptions } from '@/lib/layout.shared';
+
+export function meta({}: Route.MetaArgs) {
+  return [{ title: 'Not Found' }];
+}
+
+export default function NotFound() {
+  return (
+    <HomeLayout {...baseOptions()}>
+      <div className="p-4 flex flex-col items-center justify-center text-center flex-1">
+        <h1 className="text-xl font-bold mb-2">Not Found</h1>
+        <p className="text-fd-muted-foreground mb-4">This page could not be found.</p>
+        <Link
+          className="text-sm bg-fd-primary text-fd-primary-foreground rounded-full font-medium px-4 py-2.5"
+          to="/docs"
+        >
+          Back to Docs
+        </Link>
+      </div>
+    </HomeLayout>
+  );
+}