Using Quarto with ReadTheDocs

[mfisher87]

Description

I normally deploy Quarto sites with GitHub Pages, but for some projects, I want to use ReadTheDocs especially for the "pull request preview" feature. I've been around the block a few times on pull request previews, and now for my sanity I just settle for ReadTheDocs and cross my fingers that previews become a first-class feature in GitHub Pages some day soon.

I feel the solution I landed on for this was quite hacky, so I'd love to see suggestions to improve it! I'm working on setting up a new RTD site, and of course will use Quarto 1.4 this time. Maybe if we clean this up we can add a page in the docs about using Quarto with RTD? 🚀

Here's my RTD config: https://github.com/nsidc/usaon-benefit-tool/blob/4cab422abd4ce26e7cf60320cb10a1781db97f44/.readthedocs.yaml