Update public/content/content.json

public/content/content.json

@@ -40,10 +40,10 @@
     },
     "refIndex": 5,
     "links": {
-  "demo": "https://w2.iaf-ex.hft-stuttgart.de/DigiTwins4PEDs/Stuttgart/",
+  "demo": "https://transfer.hft-stuttgart.de/pages/urbandataplatform/air-pollutant-viewer/",
       "project": "https://www.hft-stuttgart.com/research/projects/current/icity-2-udigit4icity",
       "publication": "https://isprs-archives.copernicus.org/articles/XLVIII-4-W11-2024/89/2024/",
-      "repo": "https://transfer.hft-stuttgart.de/gitlab/digitwins4peds/application"
+      "repo": "https://transfer.hft-stuttgart.de/gitlab/urbandataplatform/air-pollutant-viewer/"
     }
   },
   {