Sign cla new

[shishir-sonekar]

Title: Sign CLA: Add contributor license agreement signature

What type of PR is this?
/kind documentation

What this PR does / why we need it:
This PR adds the necessary documentation for signing the Contributor License Agreement (CLA). This is a required step before making contributions to the Kubernetes project.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:
This is my first contribution to the Kubernetes project. I have:

• Added shishir.md file with CLA signing confirmation
• Read the contributor guidelines at https://git.k8s.io/community/contributors/guide
• Reviewed the development guide at https://git.k8s.io/community/contributors/devel/development.md

Does this PR introduce a user-facing change?:

NONE

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

NONE

[linux-foundation-easycla]

• ❌ The email address for the commit (573e435, 0695695, 04690c7, c5c263e, 4f3620c) is not linked to the GitHub account, preventing the EasyCLA check. Consult this Help Article and GitHub Help to resolve. (To view the commit's email address, add .patch at the end of this PR page's URL.) For further assistance with EasyCLA, please submit a support request ticket.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: shishir-sonekar
Once this PR has been reviewed and has the lgtm label, please assign ziyi-xie for approval. For more information see the 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:

• remote/OWNERS

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

[shishir-sonekar]

/check-cla

[shishir-sonekar]

/assign @ziyi-xie

[shu-mutou]

/check-cla

[shu-mutou]

To sign CLA, you can sign CLA by clicking NOT COVERED button.