Add opened issues to readme.md (#228)

* Update README.md

* Update README.pt-br.md

README.md

@@ -11,6 +11,7 @@ Brazilian commercial banks list
 [![Maintainability](https://api.codeclimate.com/v1/badges/2dfea6fc7a71e09ea7da/maintainability)](https://codeclimate.com/github/guibranco/BancosBrasileiros/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/2dfea6fc7a71e09ea7da/test_coverage)](https://codeclimate.com/github/guibranco/BancosBrasileiros/test_coverage)
 [![CodeFactor](https://www.codefactor.io/repository/github/guibranco/BancosBrasileiros/badge)](https://www.codefactor.io/repository/github/guibranco/BancosBrasileiros)
 [![Known Vulnerabilities](https://snyk.io/test/github/guibranco/BancosBrasileiros/badge.svg?style=plastic)](https://snyk.io/test/github/guibranco/BancosBrasileiros)
+[![GitHub issues](https://img.shields.io/github/issues/guibranco/bancosbrasileiros)](https://github.com/guibranco/bancosbrasileiros/issues)
 
 ![Bancos Brasileiros logo](logo.png)
 

README.pt-br.md

@@ -11,6 +11,7 @@ Lista de bancos comerciais brasileiros
 [![Maintainability](https://api.codeclimate.com/v1/badges/2dfea6fc7a71e09ea7da/maintainability)](https://codeclimate.com/github/guibranco/BancosBrasileiros/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/2dfea6fc7a71e09ea7da/test_coverage)](https://codeclimate.com/github/guibranco/BancosBrasileiros/test_coverage)
 [![CodeFactor](https://www.codefactor.io/repository/github/guibranco/BancosBrasileiros/badge)](https://www.codefactor.io/repository/github/guibranco/BancosBrasileiros)
 [![Known Vulnerabilities](https://snyk.io/test/github/guibranco/BancosBrasileiros/badge.svg?style=plastic)](https://snyk.io/test/github/guibranco/BancosBrasileiros)
+[![GitHub issues](https://img.shields.io/github/issues/guibranco/bancosbrasileiros)](https://github.com/guibranco/bancosbrasileiros/issues)
 
 ![Bancos Brasileiros logo](logo.png)