feat: add public profiles

apps/web/src/app/(profile)/p/[url]/not-found.tsx

@@ -0,0 +1,32 @@
+'use client';
+
+import Link from 'next/link';
+
+import { ChevronLeft } from 'lucide-react';
+
+import { Button } from '@documenso/ui/primitives/button';
+
+export default function NotFound() {
+  return (
+    <div className="mx-auto flex min-h-[80vh] w-full items-center justify-center py-32">
+      <div>
+        <p className="text-muted-foreground font-semibold">404 Profile not found</p>
+
+        <h1 className="mt-3 text-2xl font-bold md:text-3xl">Oops! Something went wrong.</h1>
+
+        <p className="text-muted-foreground mt-4 text-sm">
+          The profile you are looking for could not be found.
+        </p>
+
+        <div className="mt-6 flex gap-x-2.5 gap-y-4 md:items-center">
+          <Button asChild className="w-32">
+            <Link href="/">
+              <ChevronLeft className="mr-2 h-4 w-4" />
+              Go Back
+            </Link>
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+}