Fix incorrect path to logo

This MR Corrects the logo path error which was causing incorrect disply of bmwk logo in the webpage.

overrides/main.html

@@ -8,7 +8,7 @@
         <a href="/datenschutz/" class="footer-link">Datenschutzerklärung</a>
     </div>
     <div class="footer-image-container">
-        <img src="/assets/images/logos/bmwk.png" alt="Footer Logo" class="footer-image">
+        <img src="{{ base_url }}/assets/images/logos/bmwk.png" alt="Footer Logo" class="footer-image">
     </div>
 </div>