chore:updated version number

Author: medy17

frontend/index.html

@@ -655,7 +655,7 @@ <h2 data-i18n="boardingFlight">Boarding Flight...</h2>
 <footer class="site-footer">
     <div class="footer-content">
         <div class="footer-copyright" data-i18n="copyright">
-            © 2025 DropSilk. A peer-to-peer passion project. v2.7.0
+            © 2025 DropSilk. A peer-to-peer passion project. v2.8.0
         </div>
         <nav class="footer-nav">
             <button id="settingsBtn" class="footer-nav-link" data-i18n="settings">Settings</button>