Initial commit: Lightning Lottery - Bitcoin Lightning Network powered lottery

Features:
- Lightning Network payments via LNbits integration
- Provably fair draws using CSPRNG
- Random ticket number generation
- Automatic payouts with retry/redraw logic
- Nostr authentication (NIP-07)
- Multiple draw cycles (hourly, daily, weekly, monthly)
- PostgreSQL and SQLite database support
- Real-time countdown and payment animations
- Swagger API documentation
- Docker support

Stack:
- Backend: Node.js, TypeScript, Express
- Frontend: Next.js, React, TailwindCSS, Redux
- Payments: LNbits

front_end/src/components/Footer.tsx

@@ -0,0 +1,29 @@
+import Link from 'next/link';
+
+export function Footer() {
+  return (
+    <footer className="bg-gray-900 border-t border-gray-800 py-8 mt-12">
+      <div className="container mx-auto px-4">
+        <div className="flex flex-col md:flex-row justify-between items-center">
+          <div className="text-gray-400 text-sm mb-4 md:mb-0">
+            © 2025 Lightning Lottery. Powered by Bitcoin Lightning Network.
+          </div>
+          <div className="flex space-x-6">
+            <Link
+              href="/about"
+              className="text-gray-400 hover:text-white transition-colors"
+            >
+              About
+            </Link>
+            <Link
+              href="/past-wins"
+              className="text-gray-400 hover:text-white transition-colors"
+            >
+              Past Winners
+            </Link>
+          </div>
+        </div>
+      </div>
+    </footer>
+  );
+}