FEATURE: move categories into own repository

Contracts/Repositories/Category.php

@@ -0,0 +1,9 @@
+<?php
+namespace Modules\Categories\Contracts\Repositories;
+
+use App\CMS\Contracts\Repositories\BaseRepository;
+use App\Models\Module;
+
+interface Category {
+    public function getForModule(Module $module);
+}