Initial fullstack scaffold: Events, Guests, Budget, Bookings

- Express backend with PostgreSQL (JWT auth, full CRUD)
- React + Vite + TailwindCSS frontend in Hebrew (RTL)
- Features: Digital Booking System, Guest Management, Smart Budget Management
- Docker Compose with postgres healthcheck
- Auto-runs migrations on startup

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

db.js

@@ -0,0 +1,7 @@
+const { Pool } = require('pg');
+
+const pool = new Pool({
+  connectionString: process.env.DATABASE_URL || 'postgresql://postgres:postgres@postgres:5432/airewit',
+});
+
+module.exports = pool;