How to integrate html_bootstrap template in cakephp 3.5

i want to know how to integrate a html template in cakephp 3.5, i putted css, js, img file under webroot folder of cakephp 3

If you want to use bootstrap in all views load css js in src/Layout/default.ctp

echo $this->Html->css([

echo $this->Html->script([

other solution bootstrap plugin:

thank you very much, can you provide me information about how to integrate html template in cakephp

src/Layout/default.ctp is the main layout, the controller actions views are rendered inside this via
<?php echo $this->fetch('content'); ?>

see if it helps: