WordPress :: Make Archives.php Include Custom Post Types

wp_custom_post_type_on_archive.php

<?php
add_filter('pre_get_posts', 'namespace_add_custom_types');
 
function namespace_add_custom_types( $query ) {
    if( !is_admin() && is_category() || is_tag() && empty( $query->query_vars['suppress_filters'] ) ) {
        $query->set( 'post_type', array(
            'post', 'nav_menu_item', 'your-custom-post-type-here'
        ));
    
        return $query;
    }
}