feat: add website cta

apps/marketing/src/components/(marketing)/CTA.tsx

@@ -0,0 +1,26 @@
+import Link from 'next/link';
+
+import { Button } from '@documenso/ui/primitives/button';
+
+// import { cn } from '@documenso/ui/lib/utils';
+
+export default function CTA() {
+  return (
+    <div className="bg-background shadow-foreground/5 border-documenso mt-12 flex flex-col items-center justify-center rounded-lg border-4 border-double p-8 shadow-lg hover:shadow-md">
+      <h2 className="mt-4 text-center text-2xl font-bold">
+        Join the Open Document Signing Movement
+      </h2>
+
+      <p className="text-muted-foreground max-w-[55ch] text-center text-lg leading-normal">
+        Create your account and start using state-of-the-art document signing. Open and beautiful
+        signing is within your grasp.
+      </p>
+
+      <Button className="mt-4 rounded-full no-underline" size="sm" asChild>
+        <Link href="https://app.documenso.com/signup?utm_source=cta" target="_blank">
+          Get started
+        </Link>
+      </Button>
+    </div>
+  );
+}