Great to hear that! 
Docs are rendered from the readthedocs repository. This is someway an introduction to the documentation of all the tryton components documentation which resides into the doc folder of each repository. For example the server docs from the doc folder in the trytond package
Yes, we had a resume on some tasks to work on the Season of Docs 2020 proposal. All the accepted work is resumed in GSoD Project - Documentation for Basic Modules.
Please read it carefully as there is a proposal for a style guide that should be followed when documenting.