function solish_custom_files() {

    wp_enqueue_style(
        'solish-style',
        get_template_directory_uri() . '/ASSETS NEW/style.css'
    );

    wp_enqueue_script(
        'solish-script',
        get_template_directory_uri() . '/ASSETS NEW/app.js',
        array(),
        false,
        true
    );
}

add_action('wp_enqueue_scripts', 'solish_custom_files');<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://anticheatlab.uk/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://anticheatlab.uk/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://anticheatlab.uk/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://anticheatlab.uk/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://anticheatlab.uk/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>