namespaces refactoring part 2

src/Domain/Invoices/Resources/InvoiceCollection.php

@@ -0,0 +1,22 @@
+<?php
+namespace Domain\Invoices\Resources;
+
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+class InvoiceCollection extends ResourceCollection
+{
+    public $collects = InvoiceResource::class;
+
+    /**
+     * Transform the resource collection into an array.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return array
+     */
+    public function toArray($request)
+    {
+        return [
+            'data' => $this->collection,
+        ];
+    }
+}