How can i do number pagination in this code - wordpress

Question

`add_shortcode( 'veg-list', 'veg_list_shortcode' );
function veg_list_shortcode( $atts ) {
ob_start();
echo '';
The taxonomy we want to parse */
$taxonomy = "vegetables_category";
Get all taxonomy terms */
$terms = get_terms($taxonomy, array(
"orderby" => "count",
"hide_empty" => false
)
);
Get terms that have children */
$hierarchy = _get_term_hierarchy($taxonomy);
?>
All Vegetables
parent) { continue;}
echo 'name . '">' . $term->name . '';} ?>
'; /** The taxonomy we want to parse */
$taxonomy = "vegetables_category";
Get all taxonomy terms */
$term = get_terms($taxonomy, array(
"orderby" => "count",
"hide_empty" => false,
"terms_per_page" => 6));
Get terms that have children */
$hierarchy = _get_term_hierarchy($taxonomy);
Loop through every term */
foreach($terms as $term ) {
Skip term if it has children /
//if($term->parent) {
continue;
//}
echo 'name . '">';
If the term has children... /
if($hierarchy[$term->term_id]) {
/ ...display them */
foreach($hierarchy[$term->term_id] as $child) {
Get the term object by its ID */
$child = get_term($child, "vegetables_category");
$category_link = get_category_link($child->term_id);
echo 'name . '"> ' ?>
<div class="caf-featured-img-box" style="background:url(<?php the_field('category_image',$child); ?>)"></div>
<?php endif; ?>
name;?>
'; }}
echo ''; }?>
';?>
`