Update Portuguese translation

[GuilhermeStrice]

Purpose

• Better portuguese translation

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[x] Other... Please describe: Correct translation

How to Test

• Get the code

git clone https://github.com/xX-TheDoctor-Xx/Covid19Radar

• Test the code

  Run the app in portuguese language

What to Check

Verify that the following are valid

• Translation has the correct context, check for any missing accents or words that can be misinterpreted

Other Information

Look in the file for notes with the from tag value of "translator" and check what can be done there, there is some sentences that are not correctly formed in english and some words that the context needs to be checked