Add spotlight article on Kubernetes Contributor Summit

[fsmunoz]

Add spotlight article on the Kubernetes Contributor Summit, using KCSEU2023 as the main example.

Closes: #448

[fsmunoz]

/cc @qedrakmar

[qedrakmar]

/lgtm

[jberkus]

Seems fine, unless we want to add feedback from other KCS leads?

[fsmunoz]

@jberkus that would be good, yes. I did approach it as a 1:1 interview (similar to other spotlights), but it does have a broader scope.

On top of that, I'm also adding at least one photo from the event, from the ones in Flickr - I'm assuming there is no legal limitation with that usage.

[fsmunoz]

@jberkus just to clarify, since after re-reading my comment I think it's a bit ambiguous: I welcome more reviewers for the content, but I wasn't aiming at changing the scope of the interview itself. We can certainly make another article with more people, even a round-table kind of thing, but I wouldn't change the structure of the current one.

[fsmunoz]

/retitle Add spotlight article on Kubernetes Contributor Summit

[fsmunoz]

I've added a group photo from the Flickr set.

[qedrakmar]

/lgtm

[fsmunoz]

Added kubernetes/website#43775 for website. The date is set for tomorrow, not sure if we can get approval by then - I will change the date if needed, but ideally, this would be out before KubeCon NA starts.

[jberkus]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fsmunoz, jberkus

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[jberkus]

Approved, that way we don't have to change the date.

[sftim]

I think it's easier to line up both articles and then merge them once they're right. Maybe one day we'll have tooling to help with that.