config.ru in utopia-0.9.56

- old
+ new

@@ -42,9 +42,12 @@
 }
 
 use Utopia::Middleware::Requester
 use Utopia::Middleware::DirectoryIndex
 use Utopia::Middleware::Controller
+
+# To enable full Sendfile support, please refer to the Rack::Sendfile documentation for your webserver.
+use Rack::Sendfile
 use Utopia::Middleware::Static
 
 if UTOPIA_ENV == :production
 	use Rack::Cache, {
 		:metastore   => "file:#{Utopia::Middleware::default_root("cache/meta")}",