Add Docker support and containerization

- Add Dockerfile for Next.js application
- Configure standalone output for Docker
- Add .dockerignore file
- Add docker-compose.yml for easy deployment
- Update next.config.ts for Docker compatibility

next.config.ts

@@ -1,7 +1,13 @@
 import type { NextConfig } from "next";
+const withPWA = require('next-pwa');
 
 const nextConfig: NextConfig = {
+  output: 'standalone',
   /* config options here */
 };
 
-export default nextConfig;
+const config = process.env.NODE_ENV === 'production' ? withPWA({
+  dest: 'public',
+})(nextConfig) : nextConfig;
+
+export default config;