Advanced Top Menu - Responsive-menu Module 1.13.6

• Lazy loading for images in menu
• Fix SEO warning from Google regarding mobile menu link
• Fix caching issue with tabs
• Others fixes & improvements

• New: add compatibility with PrestaShop 8.1
• Handle webp files for media
• Fix Smarty compile error on PrestaShop 8

• Add PrestaShop 8.0 compatibility