feat: WebSocket durch Socket.io

package.json

@@ -9,7 +9,7 @@
     "axios": "^1.7.9",
     "cookies": "^0.9.1",
     "dotenv": "^16.4.5",
-    "express": "^5.1.0",
+    "express": "^4.19.2",
     "fast-xml-parser": "^4.5.1",
     "http-proxy-middleware": "^3.0.0",
     "leaflet": "^1.9.4",
@@ -29,8 +29,9 @@
     "react-toastify": "^10.0.5",
     "redux": "^5.0.1",
     "redux-thunk": "^3.1.0",
+    "socket.io": "^4.8.1",
+    "socket.io-client": "^4.8.1",
     "tailwindcss": "^3.4.7",
-    "ws": "^8.18.2",
     "xml2js": "^0.6.2"
   },
   "scripts": {