Update index.html

update the social icon in the sidebar section

index.html

@@ -421,7 +421,7 @@ <h2>Contact Us</h2>
         <div class="close-btn" onclick="toggleSidebar()" title="Close Sidebar">&times;</div>
         <ul>
             <li><a class= "facebook" href="#"><i class="fa-brands fa-meta"></i></a></li>
-            <li><a class= "facebook" href="#"><i class="fab fa-twitter"></i></a></li>
+             <a class="twitter" href="#" ><i class="fa-brands fa-x-twitter"></i></a>
             <li><a class= "facebook" href="#"><i class="fa-brands fa-instagram"></i></a></li>
             <li><a class= "facebook" href="#"><i class="fa-brands fa-youtube"></i></a></li>
         </ul>