[feat] change js to jsx

app/not-found.jsx

@@ -0,0 +1,33 @@
+"use client"
+import React from "react";
+import Link from "next/link";
+
+const NotFound = () => (
+	<div>
+		<div className="relative min-h-screen w-full  gap-4 p-10 flex justify-center items-center flex-col mb-10 ">
+			<div className="min-h-screen flex justify-center items-center">
+				<div className="mx-auto grid grid-cols-1   ">
+					<div className="flex justify-center items-center flex-col mb-5 space-y-10">
+						<div>
+							<h2 className="uppercase font-normal text-lg tracking-[8px] text-neutral-400 text-center">
+								Page not found
+							</h2>
+							<h1 className="text-4xl font-medium text-neutral-900 text-center">
+								404
+							</h1>
+						</div>
+						<div>
+							<button
+								onClick={() => window.history.back()}
+								className="text-lg text-neutral-900 hover:text-neutral-800 text-center border-2 border-gray-800 rounded-xl p-3 py-2 mt-2">
+								Go Back
+							</button>
+						</div>
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>
+);
+
+export default NotFound;