feat: Änderungen werden von websocket zu client gesendet und Redux aktualisiert UI

package.json

@@ -37,7 +37,7 @@
   "scripts": {
     "dev": "node server.js",
     "build": "next build",
-    "start": "NODE_ENV=production node server.js",
+    "start": "cross-env NODE_ENV=production node server.js",
     "export": "next export",
     "test": "jest",
     "cypress": "cypress open",
@@ -46,6 +46,7 @@
     "bump-version": "node ./scripts/bumpVersion.js"
   },
   "devDependencies": {
+    "cross-env": "^7.0.3",
     "cypress": "^13.17.0",
     "husky": "^9.1.7",
     "identity-obj-proxy": "^3.0.0",