fix: Add mailcatcher link to admin page

Author: kumy

website/app-templates/smarty/admin/pages/home.tpl

@@ -25,6 +25,9 @@
                         <li>
                             <a href="{ADMIN_SERVICE_RABBIT_MQ_URL}" target="_blank">Rabbitmq</a>
                         </li>
+                        <li>
+                            <a href="{ADMIN_SERVICE_MAILCATCHER_URL}" target="_blank">MailCatcher</a>
+                        </li>
                     </ul>
                 </div>
             </div>

website/app/GeoKrety/Service/Config.php

@@ -114,6 +114,7 @@ public function __construct() {
         define('ADMIN_SERVICE_GRAFANA_URL', getenv('ADMIN_SERVICE_GRAFANA_URL') ?: GK_SITE_BASE_SERVER_URL.'/grafana');
         define('ADMIN_SERVICE_PROMETHEUS_URL', getenv('ADMIN_SERVICE_PROMETHEUS_URL') ?: GK_SITE_BASE_SERVER_URL.'/prometheus');
         define('ADMIN_SERVICE_RABBIT_MQ_URL', getenv('ADMIN_SERVICE_RABBIT_MQ_URL') ?: sprintf('%s://rabbitmq.%s', GK_SITE_BASE_SERVER_SCHEME, GK_SITE_BASE_SERVER_FQDN));
+        define('ADMIN_SERVICE_MAILCATCHER_URL', getenv('ADMIN_SERVICE_MAILCATCHER_URL') ?: sprintf('%s://mailcatcher.%s', GK_SITE_BASE_SERVER_SCHEME, GK_SITE_BASE_SERVER_FQDN));
 
         // Environment
         define('GK_INSTANCE_NAME', getenv('GK_INSTANCE_NAME') ?: 'dev');