add nigeria

[yusbuntu]

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 api-change
##> /kind bug
##> /kind cleanup
##> /kind design
##> /kind documentation
##> /kind failing-test

/kind feature
##> /kind flake

What this PR does / why we need it:
Africa wasn't represented on the Contributors.md file
Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:
I'm new to this. Sorry if this isn't appropriate 🙏
Does this PR introduce a user-facing change?:

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

[linux-foundation-easycla]

• ✅ login: yusbuntu / name: Yusuf Isah (047643d)
• ❌ The email address for the commit (0d05ba7) 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]

Welcome @yusbuntu!

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.

You will be prompted by a bot to use commands during the review process. Do not be afraid to follow the prompts! It is okay to experiment. Here is the bot commands documentation.

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Thank you, and welcome to Kubernetes. 😃

[yusbuntu]

/check-cla

[yusbuntu]

/cla

[yusbuntu]

/check-cla

[yusbuntu]

/honk

[k8s-ci-robot]

@yusbuntu:

In response to this:

/honk

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.

[yusbuntu]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

[yusbuntu]

/check-required-labels

[yusbuntu]

/check-cla

[yusbuntu]

/check-cla

[yusbuntu]

/check-cla

[yusbuntu]

/cla

[yusbuntu]

/cla

[yusbuntu]

/check-cla

[yusbuntu]

/check-cla

[yusbuntu]

/easycla

[yusbuntu]

/easycla

[yusbuntu]

/EasyCLA

[yusbuntu]

/honk

[yusbuntu]

/easycla

[shu-mutou]

Please do not create a new directory to practice creating a PR.
Since this space is FOR PR SUBMISSION PRACTICE, NOT FOR SIGNING CLA, it would be best to write a PR title that is appropriate FOR PRACTICE TO PR CREATION like add <your github account>.md to remote/learners folder.

It looks like the first commit was made under a different account.
It's better to create another new PR.