tbh_widgets_init

// Register Sidebars
function tbh_widgets_init() {

	$args = array(
		'id'            => 'menu-right',
		'class'         => 'main-navigation__right',
		'name'          => __( 'Menu Right', '_tbh' ),
		'description'   => __( 'Main navigation right area', '_tbh' ),
	);
	register_sidebar( $args );

}
add_action( 'widgets_init', 'tbh_widgets_init' );