[pt-br] feat: add translation of index docs

[EzzioMoreira]

Add a translation of the index /docs to Portuguese.

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Preview: https://deploy-preview-4868--opentelemetry.netlify.app/pt/docs/

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: EzzioMoreira / name: Ezzio Moreira (ddb1df9, 26c2cef, 76f9b51, 65e7e25, d4a3ea8, 2c251a9, c4443de, 1e49039)
• ✅ login: chalin / name: Patrice Chalin (c602f43)

[EzzioMoreira]

Hi @svrnm, can you help me?

Where I find out the default_lang_commit?

Question: I need to add the language pt on line 43 of the package.json file.

[EzzioMoreira]

@svrnm I found the command that generate the default_lang_commit npm run fix:i18n:new, disagree the last message rsrsrsrsrsrsrs.

[svrnm]

@EzzioMoreira good to hear that you found it!

[Vinaum8]

LGTM!

[cassioliveiram]

Thanks @EzzioMoreira , looks good to me.

[chalin]

Let's put this on hold until the following lands:

• [CI][pt] Run Prettier on all locales except ja and zh #4884

[chalin]

@emdneto, @joaopgrassi, @jpkrohling - as nominated docs-pt-approvers, can one of you officially sign off on this PR pls?

[chalin]

All checks are passing except for component-owners, which is a known issue:

1 failing, 15 successful, and 1 neutral checks

Thanks for the formal approval @emdneto. Merging.