Use Sphinx book theme for documentation
Following the poll: https://discuss.tryton.org/t/choose-a-theme-for-the-documentation/6432
This instance will be upgraded to Heptapod 17.0.0 (final) on 2024-06-27 at 18:00 UTC+2
Following the poll: https://discuss.tryton.org/t/choose-a-theme-for-the-documentation/6432