Fix read the docs build for everest

[sondreso]

What happened? (You can include a screenshot if it helps explain)

Documentation is not built for everest: https://readthedocs.org/projects/everest/builds/

What did you expect to happen?

The documentation to be built

steps to reproduce

No response

Environment where bug has been observed

• [ ] python 3.8
• [ ] python 3.9
• [ ] python 3.10
• [ ] python 3.11
• [ ] python 3.12
• [ ] macosx
• [ ] rhel7
• [ ] rhel8
• [ ] local queue
• [ ] lsf queue
• [ ] slurm queue
• [ ] openPBS queue
• [ ] used flag --enable-scheduler

[DanSava]

Found this link that explains how to setup .readthedocs.yaml file in a sub-folder https://docs.readthedocs.io/en/stable/guides/setup/monorepo.html

It requires access to admin settings.