[X] I have added documentation for new/changed functionality in this PR or in a PR to openfga.dev [Provide a link to any relevant PRs in the references section above]
[X] The correct base branch is being used, if not main
[ ] I have added tests to validate that the change in functionality is working as expected
Description
Document behaviour of continuation token in that empty string will be returned if there are no more items to get.
References
Close https://github.com/openfga/api/issues/82
Review Checklist
main