feat(forms): implement MerchandiseFormController, MerchandiseFormService, and MerchandiseFormResource for managing merchandise options

app/Domains/Forms/Controllers/AdminApp/MerchandiseFormController.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Domains\Forms\Controllers\AdminApp;
+
+use App\Domains\Forms\Resources\MerchandiseFormResource;
+use App\Domains\Forms\Services\MerchandiseFormService;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+
+class MerchandiseFormController extends Controller
+{
+    public function __construct(protected MerchandiseFormService $merchandiseFormService) {}
+
+    public function __invoke(Request $request): MerchandiseFormResource
+    {
+        return MerchandiseFormResource::make(
+            $this->merchandiseFormService->get(
+                $request->user('sanctum')->tenant()->firstOrFail()
+            )
+        );
+    }
+}