Start with template

src/Controller/TestController.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Routing\Annotation\Route;
+
+#[Route('/test')]
+class TestController extends AbstractController
+{
+    #[Route('/1')]
+    public function test1()
+    {
+        return $this->render('base.html.twig');
+    }
+}