chore(docs): README.md translated into Brazilian portugues (#980)

I was using this solution a lot, so I decided to translate it into my language.

README.md

@@ -93,3 +93,9 @@ This project follows the [all-contributors](https://github.com/all-contributors/
 ## License
 
 MIT
+
+## Traduções
+
+This readme is available in:
+
+- [Brazilian portuguese](docs/README.portuguese.md)