app/overrides/spree/shared/_products/add_recently_viewed_products_to_products_index.rb
Deface::Override.new(
virtual_path: 'spree/shared/_products',
name: 'add_recently_viewed_products_to_products_index',
insert_after: "#products[data-hook]",
partial: 'spree/shared/add_recently_viewed_products'
)