Declaring taxonomy in a plugin

Is it possible to declare taxonomy from within a plugin's yaml so that it extends existing taxonomy without having to declare it in the site.yaml file?

Why yes, I just updated the Archives plugin to do this very thing:

https://github.com/getgrav/grav-plugin-archives/commit/be116986e9b1db2e8d62aff20d646cfb682ef253

Good timing!

Thanks so much!