Add management of merchandises, enhance imageable trait

app/Menu/Merchandises.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Menu;
+
+use Sebastienheyd\Boilerplate\Menu\Builder;
+
+class Merchandises
+{
+    public function make(Builder $menu)
+    {
+        $menu->add('Marchandises', ['icon' => 'shopping-bag' ])
+            ->id('merchandises')
+            ->order(5);
+
+        $menu->addTo('merchandises', __('Marchandises'), [
+            'route' => 'Admin.Shop.Merchandises.index',
+            ])->activeIfRoute(['Admin.Shop.Merchandises.*'])->order(1);
+    }
+}