The unified-runtime branch in this repo contains the HTML for the doc. To make changes, follow the typical GitHub workflow of forking this repo, updating the HTML files, and submitting a PR against the unified-runtime branch in this repo. Update the version of the doc in the CI script.
When the PR is submitted, the CI will publish the doc at https://spec.pre.oneapi.com/unified-runtime/latest/index.html. When the PR is merged, the CI publishes the doc at https://spec.oneapi.com/unified-runtime/latest/index.html.