Update settings.js

public/settings.js

@@ -91,14 +91,13 @@ let settings = {
   participants: [
     {
       name: "Prof. Dr.-Ing. Dieter Uckelmann",
-      avatar: DEFAULT.avatar,
+      avatar: `https://www.hft-stuttgart.de/fileadmin/Dateien/Profilbilder/_processed_/c/3/csm_Uckelmann-5_def04d7699.jpg`,
       email: "dieter.uckelmann@hft-stuttgart.de",
       social: [
         {
-            linkedin: {
-              icon: `${BASE_URL}/assets/images/linkedin.png`,
-              profile: "https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwj9_7KD5NPzAhUihv0HHc43AbgQFnoECA0QAQ&url=https%3A%2F%2Fde.linkedin.com%2Fin%2Fdieter-uckelmann-58aaa93&usg=AOvVaw3JbmpSYoXUgeYpxqMrkzfz"
-            }
+          agent: "linkedin",
+          icon: DEFAULT.social.linkedin.icon,
+          profile: "https://www.linkedin.com/in/dieter-uckelmann-58aaa93"
         }
       ]
     },