Introduce the new API definitions for the official OpenFGA ABAC support along with modifications to the existing API to better align with the ABAC changes.
[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
[x] I have added tests to validate that the change in functionality is working as expected
Description
Introduce the new API definitions for the official OpenFGA ABAC support along with modifications to the existing API to better align with the ABAC changes.
References
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