Add blog post for the Argo CD plugin for Headlamp

[Joshna907]

Summary

Adds a draft Kubernetes Blog post introducing the Argo CD plugin for Headlamp.

The post explains how Headlamp users can inspect Argo CD Applications alongside live Kubernetes resources, while opening the native Argo CD UI only for deeper investigation or advanced workflows.

Contents

• content/en/blog/_posts/2026/argocd-headlamp-plugin/index.md
• Seven bundled screenshots covering Application inventory and details, managed resources, Map topology, guarded rollback, safe remote-resource handling, and the native Argo CD link.
• A YouTube walkthrough embedded with the Kubernetes Hugo youtube shortcode.

Community feedback

I shared this PR in the #headlamp Kubernetes Slack thread to request feedback from the Headlamp community.

Notes

• The post is marked draft: true.
• Wording consistently identifies this as the Argo CD plugin for Headlamp.

/sig docs
/area blog

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[KashishV999]

Initial feedback

[KashishV999]

Nit for the future: please line-wrap instead of using one line per paragraph. Don't reflow now, it would make all pending comments disappear!

[KashishV999]

As part of process to ensure enough visibility across the respective maintainers, and to make sure the blog correctly represents them:

1. Could you post this PR link in #headlamp on Slack for visibility and asking feedback if any.
2. and also link that slack thread back in the PR description and update us by commenting once done?

and after this draft get merged , we urge you to update the specific channel regarding the publishing date for this blog once we set it.

Thanks and have a great day :)

[Joshna907]

I have shared this PR with the Headlamp community for feedback: https://kubernetes.slack.com/archives/C01FXB5E8ER/p1788591121081519

[KashishV999]

also, would it make sense to submit this to https://headlamp.dev/blog and then mirror it to the main Kubernetes blog?

[Joshna907]

also, would it make sense to submit this to https://headlamp.dev/blog and then mirror it to the main Kubernetes blog?

Yes, it makes sense, thank you :)