Update content.json

public/content/content.json

@@ -108,7 +108,7 @@
     },
     "refIndex": 5,
     "links": {
-      "youtube": ""
+      "website": "https://transfer.hft-stuttgart.de/pages/huijustinjing/justin-hui_ar-visualization/home/"
     }
   },
   {
@@ -155,4 +155,4 @@
     },
     "refIndex": 3
   }
-]
\ No newline at end of file
+]