Implemented setup wizard server check functionality

src/Domain/SetupWizard/Controllers/PingAPIController.php

@@ -0,0 +1,16 @@
+<?php
+
+
+namespace Domain\SetupWizard\Controllers;
+
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Response;
+
+class PingAPIController extends Controller
+{
+    public function __invoke(): Response
+    {
+        return response('pong');
+    }
+}