How to add print template for Print Manager for WooCommerce

How to add print template for Print Manager for WooCommerce

cd print-google-cloud-print-gcp-woocommerce/includes

vi Templates.php

class Templates
{
public function __construct()
{
self::registerTemplate(new \Zprint\Templates\Customer());
self::registerTemplate(new \Zprint\Templates\Details());
self::registerTemplate(new \Zprint\Templates\Order());
self::registerTemplate(new \Zprint\Templates\New());//added to use new template

cd print-google-cloud-print-gcp-woocommerce/templates

add
new-html.php
new-plain.php