Map State of CSS 2023 results to features

[foolip]

To prove the viability of the approach in developer-signals and learn what kind of data we need to represent, we should map one full survey, and I think https://2023.stateofcss.com/en-US is the best candidate.

cc @devnook @robnyman

[foolip]

And for future surveys, the approach in Devographics/Monorepo#358 is what I'm hoping for.