feat: let not-found page work with locale

apps/website/app/[locale]/not-found.tsx

@@ -0,0 +1,27 @@
+import Link from 'next/link'
+
+import { SlimLayout } from '../../components/SlimLayout'
+// import { Button } from "../components/Button";
+import { Logo } from '../../components/shared/Logo'
+
+export default function NotFound() {
+	return (
+		<SlimLayout>
+			<div className="flex">
+				<Link href="/" aria-label="Home">
+					<Logo className="h-10 w-auto" />
+				</Link>
+			</div>
+			<p className="mt-20 text-sm font-medium text-gray-700">404</p>
+			<h1 className="mt-3 text-lg font-semibold text-gray-900">
+				Page not found
+			</h1>
+			<p className="mt-3 text-sm text-gray-700">
+				Sorry, we couldn’t find the page you’re looking for.
+			</p>
+			{/* <Button href="/" className="mt-10">
+				Go back home
+			</Button> */}
+		</SlimLayout>
+	)
+}