fix: docs broken links

[tomekpapiernik]

Related issue(s)

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security vulnerability, I
  confirm that I got the approval (please contact
  security@ory.sh) from the maintainers to push
  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[zepatrik]

Please edit the files in https://github.com/ory/keto/tree/master/proto/ory/keto/relation_tuples/v1alpha2
This file will be overwritten again by automation.

[tomekpapiernik]

Please edit the files in https://github.com/ory/keto/tree/master/proto/ory/keto/relation_tuples/v1alpha2 This file will be overwritten again by automation.

Thanks for the pointer. These didn't come up when I searched the repo, for some reason. Done.

[hperl]

LGTM, thanks!