payment providers and some stan

app/Modules/HalkbankOnlinePayment/Controllers/HalkbankOnlinePaymentController.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Modules\HalkbankOnlinePayment\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Contracts\View\View;
+use Illuminate\Http\Request;
+
+class HalkbankOnlinePaymentController extends Controller
+{
+    public function store(Request $request): View
+    {
+        $request->validate([
+            'orderId' => ['required', 'string', 'max:50', 'exists:online_payment_histories,orderId'],
+        ]);
+
+        return view('welcome');
+    }
+}