Are biology Documents Decrepit?

Just a simple question about if the new documents in the biology course are no longer supposed to work. That would make sense because biology seems to no longer even be a course, for it was replaced by high school and college biology.

https://www.khanacademy.org/biology/new/document

If this page is no longer in use, are there other ways to create documents on Khan Academy? Thank you for your time.