feat: initial scaffold with Event Management, Participant Management, and Budget Management

- Express backend with JWT auth, PostgreSQL, full CRUD APIs
- React + Vite + TailwindCSS frontend with RTL Hebrew UI
- Event Creation & Management (create/edit/delete/list events)
- Participant Management (add/edit/delete/status tracking per event)
- Budget Management (income/expense tracking with balance summary)
- Docker Compose setup with PostgreSQL
- /health endpoint with commit-id and DB status

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

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "airewit",
+  "version": "1.0.0",
+  "description": "Event management platform",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "node server.js"
+  },
+  "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "cors": "^2.8.5",
+    "express": "^4.18.2",
+    "jsonwebtoken": "^9.0.2",
+    "pg": "^8.11.3",
+    "uuid": "^9.0.0"
+  }
+}