docs(about): age range 10-99, link 'translate' to Weblate

docs/what-is-tane.md

@@ -51,7 +51,7 @@ still do it with notebooks and spreadsheets.
 ## Who it's for
 
 Seed groups and networks, gardens and collectives, growers… and anyone with a few packets
-put away. For all ages, from 10 to 80.
+put away. For all ages, from 10 to 99.
 
 ## A Japanese name
 
@@ -72,7 +72,7 @@ multiplies it, every gesture makes the commons grow instead of shrinking it.
 
 ## Where it stands and how to help
 
-In its early days. You can help by trying it out in a real seed group, translating it,
+In its early days. You can help by trying it out in a real seed group, [translating it](https://translate.comunes.org/projects/tane/),
 sharing what you know about the varieties, or coding. It has no price and never will: it's
 sustained by volunteers, by the communities themselves, and by public funding for projects
 of common interest.