first commit

web/src/app/demo/index.tsx

@@ -0,0 +1,15 @@
+import { Button } from "@heroui/react";
+import { Link, useNavigate } from "react-router";
+
+export default function DemoPage() {
+  const navigate = useNavigate();
+
+  return (
+    <div className="flex flex-col gap-3 py-16 max-w-3xl mx-auto">
+      <h1 className="text-2xl font-bold leading-loose">Demo Page</h1>
+      <button onClick={() => navigate("/")} className="p-3 rounded-lg bg-zinc-300 transition hover:scale-105 cursor-pointer">Back</button>
+      <Button color="primary" variant="flat" onPress={() => navigate("/")}>HeroUI Back</Button>
+      <Link to="/">Back</Link>
+    </div>
+  )
+}