View Draft Documentation on Github
Create a pull request on Github.
Verify the Documentation/build check was successful (takes a few minutes).
Preview it in a browser following this url format:
https://nrel-sienna.github.io/<PACKAGE_NAME>.jl/previews/PR<PULL_REQUEST_NUMBER>/
This only works if the PR is on the root repository, not a fork. Otherwise, work with a maintainer to move your PR to the root repository.