website: Adding cloud native AI event to the header

[dhanishaphadate]

Description of Changes

Update the home page header to the upcoming event in KubeCon Europe 2026 - Cloud Native AI + kubeflow Day
Event Details : https://events.linuxfoundation.org/kubecon-cloudnativecon-europe/co-located-events/cloud-native-ai-kubeflow-day/

Related Issues

Closes: #4239

Related: #

Checklist

• You have signed off your commits
• Ensure you follow best practices from our contributing guide.
• (for big changes) I will post screenshots of the changes in a PR comment

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

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

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

[google-oss-prow]

Hi @dhanishaphadate. Thanks for your PR.

I'm waiting for a kubeflow member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

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/test-infra repository.

[github-actions]

🚫 This command cannot be processed. Only organization members or owners can use the commands.

[Arhell]

/ok-to-test

[dhanishaphadate]

/test

[google-oss-prow]

@dhanishaphadate: The /test command needs one or more targets.
The following commands are available to trigger optional jobs:

• /test kubeflow-website-link-check

In response to this:

/test

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/test-infra repository.

[dhanishaphadate]

/test all

[google-oss-prow]

@dhanishaphadate: No jobs can be run with /test all.
The following commands are available to trigger optional jobs:

• /test kubeflow-website-link-check

In response to this:

/test all

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/test-infra repository.

[dhanishaphadate]

/test kubeflow-website-link-check

[dhanishaphadate]

/skip

[varodrig]

/hold

waiting for updates

[varodrig]

@dhanishaphadate thank you for working on this.

• Update the event title to all uppercase and include "Europe" as it shows on the page

[dhanishaphadate]

/retest

[dhanishaphadate]

@varodrig I’ve added the event as an image. Could you please check the screenshot and let me know if any alignment adjustments are needed? Also, "PR title validation" check is waiting for approval.

[varodrig]

looks great. Thanks @dhanishaphadate for working on this.
@thesuperzapper can you take a quick look?