Update public/content/team.json

public/content/team.json

@@ -3,7 +3,7 @@
         "firstName": "Prof. Dr. Volker",
         "lastName": "Coors",
         "jobTitle_en": "Lab Leader",
-        "imgUrl": "https://www.hft-stuttgart.de/fileadmin/Dateien/Profilbilder/_processed_/f/2/csm_Coors-Volker__2__15febbceab.jpg",
+        "imgUrl": "imgs/avatar/volker.Coors.jpg",
         "profile_link": "https://www.hft-stuttgart.de/p/volker-coors",
         "researchTopics": "Smart Cities | OGC Standards | Sensors & IoT | 3D City Models | 3D Web Visualization | 3D Simulation | Big Data",
         "optional": {
@@ -51,7 +51,7 @@
         "firstName": "Matthias",
         "lastName": "Betz",
         "jobTitle_en": "Researcher",
-        "imgUrl": "https://www.hft-stuttgart.de/fileadmin/Dateien/Profilbilder/_processed_/9/6/csm_passbild_c5e2fc115f.png",
+        "imgUrl": "imgs/avatar/Matthias.jpg",
         "profile_link": "https://www.hft-stuttgart.de/p/Matthias-Betz",
         "researchTopics": "3D City Model | CityGML | Quality Validation | Big Data"
     },