Ajout du label "Déconnexion" dans le header

backend/views/layouts/main.php

@@ -47,7 +47,7 @@ AppAsset::register($this);
                 $menuItems[] = ['label' => 'Connexion', 'url' => ['/site/login']];
             } else {
                 $menuItems[] = [
-                    'label' => '<span class="glyphicon glyphicon-off"></span>',
+                    'label' => '<span class="glyphicon glyphicon-off"></span> Déconnexion',
                     'url' => ['/site/logout'],
                     'linkOptions' => ['data-method' => 'post']
                 ];