At this time there’s no such functionality and to be honest I'm doubtful that it’s terribly useful on a site like yours as Google/Bing will have no trouble following your links and discovering all the pages you have. The site code is designed to be easy for them to find their way around and they don’t really need the help, although they may suggest it anyway.
Peter
Professional ecommerce web hosting services Shared hosting Windows & Linux | Dedicated servers | Domains | SSL Ecommerce Templates specialists since 2003 https://servelink.com
As I understand it GDPR is involved with data collection and retention, payment can be a part of that or not. Somehow any GDPR warning/software seems embedded on the home page is that not correct?