Fragen\GitHub_Updater\Settings::add_plugin_page PHP Method

    public function add_plugin_page()
    {
        if (is_multisite()) {
            add_submenu_page('settings.php', esc_html__('GitHub Updater Settings', 'github-updater'), esc_html__('GitHub Updater', 'github-updater'), 'manage_network', 'github-updater', array(&$this, 'create_admin_page'));
        } else {
            add_options_page(esc_html__('GitHub Updater Settings', 'github-updater'), esc_html__('GitHub Updater', 'github-updater'), 'manage_options', 'github-updater', array(&$this, 'create_admin_page'));
        }
    }