AnkiWeb Page: https://ankiweb.net/shared/info/613201382
This add-on automatically adds the AnkiHub_Protect::Text and AnkiHub_Protect::Extra tags to cards upon making modifications to them, so that your changes aren't overwritten by AnkiHub sync.
NOTE: Neither this add-on nor its author(s) are affiliated with AnkiHub, LLC. in any way. This is work is independent and unofficial.