Create nexus_api_gateway.js

nexus_banking_networks/nexus_web/src/nexus_api_gateway.js

@@ -0,0 +1,14 @@
+const express = require('express');
+const app = express();
+
+app.use(express.json());
+
+app.post('/api/login', (req, res) => {
+  const { username, password } = req.body;
+  // Implement login logic
+  res.json({ message: 'Login successful' });
+});
+
+app.listen(3000, () => {
+  console.log('API Gateway listening on port 3000');
+});