first upload all files

Modules/Category/Http/Controllers/CategoryController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Modules\Category\Http\Controllers;
+
+use Modules\Category\Entities\Category;
+
+class CategoryController
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index()
+    {
+        return view('public.categories.index', [
+            'categories' => Category::all()->nest(),
+        ]);
+    }
+}