[WP] Build ACF options page...

options.php

<?php defined('ABSPATH') or header('Location: /');
/**
 * Additional option pages
 *
 * @uses Advanced Custom Fields
 * @see  https://www.advancedcustomfields.com/resources/get-values-from-an-options-page/
 */
if(function_exists('acf_add_options_page')) {
  acf_add_options_sub_page(array(
    'page_title' 	=> 'Additional Options',
    'menu_title'	=> 'Options',
    'menu_slug' 	=> 'options',
    'parent_slug' => 'options-general.php',
    'capability'	=> 'edit_theme_options',
    //'redirect'		=> false
  ));
}