Explain rings somewhere

[bennn]

Text like Ring 1 should have an explanation nearby. Something like an on-hover modal or a link to say what a ring is and what the number means.

[jeapostrophe]

https://docs.racket-lang.org/pkg/db.html#%28def._%28%28lib._pkg%2Fdb..rkt%29._get-pkg-ring%29%29

[jeapostrophe]

(Linking the explanation... not saying this place is "good enough")