I was never able to publish addons on Chrome, because they need some kind of KYC (or at least credit card and phone number) to add an extension there.
Chrome users should use Greasy Fork extension
Did you have plans on creating more userscripts that can work together with bitcoindata.science?
I think I saw Bitcoindata extension on GreasyFork website, but I think you should also create something for Unit Converter and Giveaway Manager.