[website] Adds installing kubectl-kueue plugin via Krew guide.

[mbobrovskyi]

What type of PR is this?

/kind documentation

What this PR does / why we need it:

Adds installing kubectl-kueue plugin via Krew guide.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Adds installing kubectl-kueue plugin via Krew guide.

[netlify]

✅ Deploy Preview for kubernetes-sigs-kueue ready!

Name	Link
🔨 Latest commit	1f7546d
🔍 Latest deploy log	https://app.netlify.com/sites/kubernetes-sigs-kueue/deploys/669e65942e296700086c3dd9
😎 Deploy Preview	https://deploy-preview-2666--kubernetes-sigs-kueue.netlify.app
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[trasc]

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: f9206aed190e1e1b515997c873088d61d5bbd37f

[tenzen-y]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mbobrovskyi, tenzen-y

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

The pull request process is described here

Needs approval from an approver in each of these files:

• site/OWNERS [tenzen-y]

Approvers can indicate their approval by writing /approve in a comment
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[tenzen-y]

/cherry-pick website

[k8s-infra-cherrypick-robot]

@tenzen-y: once the present PR merges, I will cherry-pick it on top of website in a new PR and assign it to you.

In response to this:

/cherry-pick website

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.

[k8s-infra-cherrypick-robot]

@tenzen-y: new pull request created: #2674

In response to this:

/cherry-pick website

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.