add data from work folder

implementation/09-dependency-injector/src/Action/NotFound.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Lubian\NoFramework\Action;
+
+use Laminas\Diactoros\Response;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+final class NotFound extends Action
+{
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        $this->response->getBody()->write('Page not found');
+        return $this->response->withStatus(404);
+    }
+}