add chapter about data repositories, and start work on perfomance chapter

implementation/16-data-repository/src/Factory/PipelineProvider.php

@@ -0,0 +1,25 @@
+<?php declare(strict_types=1);
+
+namespace Lubian\NoFramework\Factory;
+
+use Lubian\NoFramework\Http\ContainerPipeline;
+use Lubian\NoFramework\Http\Pipeline;
+use Lubian\NoFramework\Http\RoutedRequestHandler;
+use Lubian\NoFramework\Settings;
+use Psr\Container\ContainerInterface;
+
+class PipelineProvider
+{
+    public function __construct(
+        private Settings $settings,
+        private RoutedRequestHandler $tip,
+        private ContainerInterface $container,
+    ) {
+    }
+
+    public function getPipeline(): Pipeline
+    {
+        $middlewares = require $this->settings->middlewaresFile;
+        return new ContainerPipeline($middlewares, $this->tip, $this->container);
+    }
+}