I can help out with Spanish if that’s still a need that y’all have!
Just a quick update! We now have an official way to contribute translations. Thank you for those who have been working directly with us, and for those who have recently volunteered. Please check out our Weblate translation service if you are willing to contribute translations!
A tutorial on using the translations interface…
https://docs.weblate.org/en/weblate-3.9.1/user/translating.html