update justin page

public/content/content.json

@@ -171,7 +171,7 @@
       "author": {
         "firstName": "Justin ",
         "lastName": "Jing Hui",
-        "hftURL": "#"
+        "hftURL": "https://ugl.hft-stuttgart.de/content/justin/index.html"
       },
       "project_year_start": "2020",
       "project_year_end": "2021",