add twig to container

bootstrap/container.php

@@ -1,9 +1,13 @@
 <?php
 
 use DI\Container;
+use Slim\Views\Twig;
 
 $container = new Container([
-
+// Note: For production scenarios, cache should be set to some 'path/to/cache'
+// to store compiled templates (thus avoiding recompilation on every request).
+// For more information, see https://twig.symfony.com/doc/3.x/api.html#environment-options
+    Twig::class => Twig::create(__DIR__.'/../views/templates', ['cache' => false]),
 ]);
 
 return $container;