Gem staleness indication

Now that MRuby has been around for a number of years it's a bit tricky to sort through gems to know what's possibly up-to-date and what's likely abandoned and no longer compatible. Is there any interest in adding a bit of metadata to mgems.yml to make it easier to highlight what's likely maintained and what's likely not?

https://fundamental-code.com/mruby-timeline/ is something I put together with a bit of git log parsing. There are plenty of short lived gems from 2016 and earlier which I'd wager likely have some compatibility issues with how MRuby has evolved over the years.

Examinez les métadonnées existantes de mgems.yml et la chronologie mruby liée, y compris son analyse de git-log, afin de comprendre quels signaux d’obsolescence sont disponibles. Définissez avec les maintainers les exigences relatives aux métadonnées et à la présentation ; le travail est terminé lorsque la proposition dispose d’un périmètre convenu pour identifier et mettre en évidence les gems probablement maintenus ou abandonnés.