add chapter 12 solutions

implementation/12/config/container.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+
+use DI\ContainerBuilder;
+use FastRoute\Dispatcher;
+use Laminas\Diactoros\Response;
+use Laminas\Diactoros\ServerRequestFactory;
+use Lubian\NoFramework\Configuration;
+use Lubian\NoFramework\Service\Time\Clock;
+use Lubian\NoFramework\Service\Time\SystemClock;
+use Lubian\NoFramework\Template\MustacheRenderer;
+use Lubian\NoFramework\Template\Renderer;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+
+use function FastRoute\simpleDispatcher;
+
+$builder = new ContainerBuilder;
+$builder->addDefinitions(
+    [
+        ServerRequestInterface::class => fn () => ServerRequestFactory::fromGlobals(),
+        ResponseInterface::class => fn () => new Response,
+        Clock::class => fn () => new SystemClock,
+        Renderer::class => fn (MustacheRenderer $me) => $me,
+        Dispatcher::class => fn (Configuration $c) => simpleDispatcher(require $c->routesFile),
+        Mustache_Loader_FilesystemLoader::class => fn (Configuration $c) => new Mustache_Loader_FilesystemLoader(
+            $c->templateDir,
+            [
+                'extension' => $c->templateExtension,
+            ]
+        ),
+        Mustache_Engine::class => fn (Mustache_Loader_FilesystemLoader $loader) => new Mustache_Engine([
+            'loader' => $loader,
+        ]),
+        Configuration::class => fn () => require __DIR__ . '/settings.php',
+    ]
+);
+
+return $builder->build();