translating readme for portuguese

[printf-ana]

🤔 This is a

• [ ] Feature
• [ ] Bug
• [ ] Documentation Update
• [x ] Translation

✍ Description

• Write a short description I made a translation to portuguese for the Brazilian people. =)

Added to documentation

• [x ] readme file
• [ ] No documentation needed

🐱‍💻 Use a meme/gif to describe how you feel for contributing (optional)

[muchirijane]

Hey, please read the contribution.md file to see how to make a successful PR.