Add font with icons to Getwid plugin

<?php

/*
 * Add font with icons to Getwid plugin.
 * Use this code in functions.php or custom plugin.
 */

// add hook
add_action( 'getwid/icons-manager/init', 'my_theme_getwid_add_custom_icons' );

function my_theme_getwid_add_custom_icons( $manager ) {

	// register new font
	$custom_icons = [
		// load icons list for visual editor from function
		'icons' => my_theme_custom_icons_list(),
		// or load icons list for visual editor from file
		//'icons' => require( get_template_directory() . '/custom-icons-list.php' ),
		'handle' => 'custom-icons',
		'src' => get_template_directory_uri() . '/custom-icons.css',
		'deps' => null,
		'ver' => '1.0.0'
	];

	$manager->registerFont( 'custom-icons', $custom_icons );
}

function my_theme_custom_icons_list() {
	return array(
		'Custom Icons' => array(
			'icon-class-1', // icon-1 css class
			'icon-class-2', // icon-2 css class, etc.
		)
	)
}