add Juan

public/content/team.json

@@ -66,6 +66,17 @@
             "LinkedInURL": "https://www.linkedin.com/in/muhammad-alfakhori/"
         }
     },
+    {
+        "firstName": "Juan Sardi",
+        "lastName": "Barzallo",
+        "jobTitle_en": "Researcher/PhD student",
+        "imgUrl": "https://www.hft-stuttgart.de/fileadmin/Dateien/Profilbilder/_processed_/1/b/csm_GetPersonaPhoto_f03a67c473.jpg",
+        "profile_link": "https://www.hft-stuttgart.de/p/juan-sardi-barzallo",
+        "researchTopics": "AR/MR | Building Information Modeling (BIM)",
+        "optional": {
+            "LinkedInURL": "https://www.linkedin.com/in/juan-sardi-barzallo"
+        }
+    },
     {
         "firstName": "Habiburrahman ",
         "lastName": "Dastageeri",