Update content.json

public/content/content.json

@@ -18,7 +18,7 @@
     },
     "refIndex": 3,
     "links": {
-      "publication": "https://dl.acm.org/doi/10.1145/3410992.3411009 ",
+      "publication": "https://dl.acm.org/doi/10.1145/3410992.3411009  ",
       "project": "https://www.hft-stuttgart.com/research/projects/current/icity-smart-public-building",
       "repo": "https://transfer.hft-stuttgart.de/gitlab/smartpublicbuilding"
     }
@@ -203,5 +203,5 @@
     "links": {
       "project": "https://www.hft-stuttgart.de/forschung/projekte/aktuell/icity-2-sensim4icity"
     }
-  },
+  }
 ]