Add eProsima support line

Signed-off-by: Pablo Garrido <pablogs9@gmail.com>

Author: pablogs9

index.html

@@ -43,6 +43,7 @@ <h1>micro-ROS</h1>
         </div>
         <div class="col-md-12 text-center">
             <h2 class="header-light regular-pad" style="line-height: 1.3;">micro-ROS puts ROS 2 onto microcontrollers</h2>
+            <h3 class="header-light regular-pad" style="line-height: 1.3;">Support: <a href="mailto:info@eProsima.com">info@eProsima.com</a></h2>
         </div>
     </div>
     <hr>