This language has been verified as eligible. The language is eligible for a project, which means that the subdomain can be created once there is an active community and a localized interface, as described in the language proposal policy. You can discuss the creation of this language project on this page.
Chuvash is spoken by a good amount of people, there are native speakers ready to work on it, and free/public domain resources for translation to/from Russian and Turkish. There is an active Chuvash Wikipedia.