Model less CakePHP3 form using Bootstrap-UI plugin

gistfile1.php

$form = new SiteFileForm();
echo $this->Form->create($form, [
	'url' => ['controller' => 'sitefiles', 'action' => 'ajax_add.json'],
		['id' => 'form-submit']
	]);
echo $this->Form->input('url', [
	'label' => ['class' => 'control-label']
]);
echo $this->Form->input('webroot', [
	'label' => ['class' => 'control-label']
]);
echo $this->Form->end();