added import export for categories

app/Imports/Settings/Categories.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Imports\Settings;
+
+use App\Abstracts\Import;
+use App\Http\Requests\Setting\Category as Request;
+use App\Models\Setting\Category as Model;
+
+class Categories extends Import
+{
+    public function model(array $row)
+    {
+        return new Model($row);
+    }
+
+    public function rules(): array
+    {
+        return (new Request())->rules();
+    }
+}