This is a question about the [build-generated?] file _data/files.json.
At the Jekyll site GitHub - adafruit/circuitpython-org: CircuitPython's website, four markdown files (living in the directory _board): hiibot_iots2.md, jpconstantineau_pykey60.md gb_m4.md, and unknown.md are not included in _data/files.json after a build and I cannot work out why not; they are not excluded in _config.yml and pages are generated for them in _site/board/.
Yeah, I’d forgotten that it’s generated from CircuitPython’s CI on GitHub and is populated with tons of details about each board (236 of them), including which Python modules are included with each build based on each board’s perpherals/capabilities.