Update public/index.html

public/index.html

@@ -49,7 +49,7 @@
             </div>
             <div id="TextBorder" class="col-lg-5 col-md-5 col-sm-5">
                 <a href="index.html" class="logo d-flex align-items-center">
-                    <img src="https://www.hft-stuttgart.de/assets/hft_sitepackage/img/logo-HFT-Stuttgart-2025.svg" alt="">
+                    <img src="https://www.hft-stuttgart.de/assets/hft_sitepackage/img/logo-HFT-Stuttgart-compact-2025.svg" alt="">
                     <span id="citydemText">City Demonstrator</span>
 
                 </a>