****templates change:

*** Tpl folder Template in theme

templates\layouts\layout-both-columns.tpl
templates\catalog\_partials\miniatures\product.tpl
templates\catalog\_partials\productlist.tpl
templates\catalog\listing\product-list.tpl
templates\_partials\microdata\head-jsonld.tpl
templates\_partials\microdata\product-jsonld.tpl
_partials\microdata\product-list-jsonld.tpl

*** New file

templates\_partials\helpers.tpl