Request for additional functionality

Yesterday I found one great webmaster post on the net, which tells about its plug-in
It makes a table of contents for an article on the site in automatic mode.
Very nice to do)
https://www.billerickson.net/building-a-gutenberg-website/?utm_source=Gutenberg+News&utm_campaign=6b7b078d61-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_cf33daa6f5-6b7b078d61-1210406037&mc_cid=6b7b078d61&mc_eid=1726611297
If it’s not difficult for you, add to Caxton, please
Thanks and have a nice day)