feat: init

apps/web/app/not-found.tsx

@@ -0,0 +1,46 @@
+"use client";
+
+import React from "react";
+import type { Metadata } from "next";
+import Image from "next/image";
+import Link from "next/link";
+// ui
+import { Button } from "@plane/propel/button";
+// images
+import Image404 from "@/public/404.svg";
+
+export const metadata: Metadata = {
+  title: "404 - Page Not Found",
+  robots: {
+    index: false,
+    follow: false,
+  },
+};
+
+const PageNotFound = () => (
+  <div className={`h-screen w-full overflow-hidden bg-custom-background-100`}>
+    <div className="grid h-full place-items-center p-4">
+      <div className="space-y-8 text-center">
+        <div className="relative mx-auto h-60 w-60 lg:h-80 lg:w-80">
+          <Image src={Image404} layout="fill" alt="404- Page not found" />
+        </div>
+        <div className="space-y-2">
+          <h3 className="text-lg font-semibold">Oops! Something went wrong.</h3>
+          <p className="text-sm text-custom-text-200">
+            Sorry, the page you are looking for cannot be found. It may have been removed, had its name changed, or is
+            temporarily unavailable.
+          </p>
+        </div>
+        <Link href="/">
+          <span className="flex justify-center">
+            <Button variant="neutral-primary" size="md">
+              Go to Home
+            </Button>
+          </span>
+        </Link>
+      </div>
+    </div>
+  </div>
+);
+
+export default PageNotFound;