WIP: docs: clarify addon-template variables

[zhujian7]

No description provided.

[netlify]

✅ Deploy Preview for open-cluster-management ready!

Name	Link
🔨 Latest commit	7bdfe22
🔍 Latest deploy log	https://app.netlify.com/projects/open-cluster-management/deploys/6863579da4218000086a8a71
😎 Deploy Preview	https://deploy-preview-497--open-cluster-management.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: zhujian7
Once this PR has been reviewed and has the lgtm label, please assign gurnben for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[openshift-merge-robot]

PR needs rebase.

Details

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[ocm-bot]

This issue/PR is marked stale and will be closed in 30 days unless there is new activity.