Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/next.config.js

@@ -0,0 +1,11 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+  output: 'standalone',
+  env: {
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8080',
+    NEXT_PUBLIC_CHAIN_ID: process.env.NEXT_PUBLIC_CHAIN_ID || '138',
+  },
+}
+
+module.exports = nextConfig