Add brazil/WagnerFerreira.md for registation.

[dabliof]

What type of PR is this?
/kind documentation

What this PR does / why we need it:
Adiciona minha entrada (dabliof) no diretório brazil/, como parte do exercício de contribuição via contributor-playground.

Which issue(s) this PR fixes:
NONE

Special notes for your reviewer:
Este é apenas um Pull Request de teste conforme instruções do repositório contributor-playground.

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

• brazil/OWNERS

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[linux-foundation-easycla]

• ✅login: dabliof / (67b31a2)

The committers listed above are authorized under a signed CLA.