Adds a lightweight widget area that theme developers can render in footer templates.
add_action( 'widgets_init', 'wpfolks_register_footer_utility_sidebar' );
function wpfolks_register_footer_utility_sidebar() {
register_sidebar( array(
'name' => __( 'Footer Utility', 'wpfolks' ),
'id' => 'footer-utility',
'before_widget' => '<section id="%1$s" class="widget %2$s">',
'after_widget' => '</section>',
) );
}