ampforwp add component script, e.g: amp-accordion

functions.php

<?php 
function prefix_add_amp_component_script( $data ) {
	$data['amp_component_scripts']['amp-accordion'] = 'https://cdn.ampproject.org/v0/amp-accordion-0.1.js';
	return $data;
}
add_filter( 'amp_post_template_data', 'prefix_add_amp_component_script' );