Add ecosystem link to nav

Author: driesvints

resources/views/layouts/_nav.blade.php

@@ -41,6 +41,7 @@
                         <li><a href="https://laracasts.com">Laracasts</a></li>
                         <li><a href="https://laravel-news.com">Laravel News</a></li>
                         <li><a href="https://www.laravelpodcast.com">Podcast</a></li>
+                        <li><a href="https://ecosystem.laravel.io">Ecosystem</a></li>
                     </ul>
                 </li>
             </ul>