Add Wordpress Category list in pages as shown in posts

add category to pages

function create_page_taxonomy() {
    register_taxonomy( 'category', array( 'page', 'post' ), array(
        'hierarchical'      => true,
        'label'             => __( 'Categories' ),
        'singular_label'    => __( 'Category' ),
        'show_ui'           => true,
        'query_var'         => true,
        'rewrite'           => true
    ) );
}
add_action( 'init', 'create_page_taxonomy' );

custom query to call pages in category

$the_query = new WP_Query( array( 
	'post_type'    => 'page',
	'category_name'=> 'catname'
 ) );

echo '<ul class="custom-class">';
// The Loop
while ( $the_query->have_posts() ) : $the_query->the_post();
	echo '<li>';
	echo '<a href="' . get_permalink() . '" title="' . get_the_title() . '">' . get_the_title() . '</a>';
	echo '</li>';
endwhile;
echo '</ul>';

// Reset Post Data
wp_reset_postdata();