Include pt_BR translate

[sergiocamillo]

First of all, thank you for your contribution! :-)

Please makes sure that these checkboxes are checked before submitting your PR, thank you!

• Make sure that you follow antd's code convention.
• Run npm run lint and fix those errors before submitting in order to keep consistent code style.
• Rebase before creating a PR to keep commit history clear.
• Add some descriptions and refer relative issues for you PR.

Extra checklist:

if isBugFix :

• Make sure that you add at least one unit test for the bug which you had fixed.

elif isNewFeature :

• Update API docs for the component.
• Update/Add demo to demonstrate new feature.
• Update TypeScript definition for the component.
• Add unit tests for the feature.

[codecov]

Codecov Report

Merging #802 into master will increase coverage by 0.18%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #802      +/-   ##
==========================================
+ Coverage   58.60%   58.79%   +0.18%     
==========================================
  Files         197      206       +9     
  Lines        5064     5084      +20     
  Branches     1109     1109              
==========================================
+ Hits         2968     2989      +21     
+ Misses       2079     2078       -1     
  Partials       17       17              

Flag	Coverage Δ
#rn	58.79% <100.00%> (+0.18%)	⬆️

Impacted Files	Coverage Δ
components/date-picker-view/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/date-picker/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/input-item/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/list-view/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/locale-provider/demo/basic.tsx	96.00% <100.00%> (+0.16%)	⬆️
components/locale-provider/pt_BR.tsx	100.00% <100.00%> (ø)
components/modal/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/pagination/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/picker/locale/pt_BR.tsx	100.00% <100.00%> (ø)
components/search-bar/locale/pt_BR.tsx	100.00% <100.00%> (ø)
... and 10 more

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[dennissiq]

Thanks for your contribution! 👏🏻