Add DragonflyDB integration for JWT revocation and implement rate limiting for authentication routes

package.json

@@ -19,11 +19,14 @@
     "cors": "^2.8.5",
     "dotenv": "^16.4.0",
     "express": "^4.21.0",
+    "express-rate-limit": "^7.5.1",
+    "ioredis": "^5.10.0",
     "jsonwebtoken": "^9.0.0",
     "lucide-react": "^0.460.0",
     "multer": "^2.0.2",
     "nodemailer": "^8.0.1",
     "pg": "^8.18.0",
+    "rate-limit-redis": "^4.3.1",
     "react": "^18.3.0",
     "react-dom": "^18.3.0",
     "react-hot-toast": "^2.4.0",