Add a Matrix room link

Author: ForNeVeR

Codingteam.Site/Views/Home/Resources.cshtml

@@ -43,4 +43,9 @@
             <i class="fa-li fa fa-envelope-o"></i> Telegram group
         </a>
     </li>
+    <li>
+        <a href="https://matrix.to/#/#codingteam:matrix.org">
+            <i class="fa-li fa fa-compress"></i> Matrix room
+        </a>
+    </li>
 </ul>