cakephp-tools/templates/Admin/Tools/index.php

<?php
/**
 * @var \App\View\AppView $this
 */
?>

<div class="row">
	<div class="col-12">
		<h1>Tools plugin</h1>

		<h2>Helper debugging</h2>
		<ul>
			<li><?php echo $this->Html->link('Icon helper and font icons', ['controller' => 'Icons', 'action' => 'index']); ?></li>
		</ul>
	</div>
</div>