add kennangaibel.md to contributor-playground/seattle

[kennangaibel]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:
<>
/kind documentation

What this PR does / why we need it:
add kennangaibel.md to playground folder for practicing PR submission.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: kennangaibel
Once this PR has been reviewed and has the lgtm label, please assign lazyshot 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:

• seattle/OWNERS

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

[linux-foundation-easycla]

• ✅login: kennangaibel / (d04ef76)

The committers listed above are authorized under a signed CLA.

[k8s-ci-robot]

Welcome @kennangaibel!

It looks like this is your first PR to kubernetes-sigs/contributor-playground 🎉. Please refer to our pull request process documentation to help your PR have a smooth ride to approval.

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[shu-mutou]

I recommend that you do this in the /remote/learners/ directory, if so I can review it.
seattle directory is for past event.

[shu-mutou]

seattle directory is for past event.
I recommend that you do this in the /remote/learners/ directory, if so I can review it.