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>

client/postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}