Add telegram channel

Author: Gus

templates/footer.html

@@ -89,6 +89,7 @@ <h4><a class="linkedin text-white px-3" target="_blank" href="https://www.linked
         </div>
         <div class="row">
           <h4><a class="github text-white px-3" target="_blank" href="https://github.com/torproject"><i class="fab fa-github-png"></i></a></h4>
+          <h4><a class="telegram text-white px-3" target="_blank" href="https://t.me/torproject"><i class="fab fa-telegram-png"></i></a></h4>
         </div>
       </div>
     </div>