Adicionando Coverage badge ao README
Adicionando Coverage badge ao README

castsbrasil/castsbrasil,wenderjean/RubyCastsBrasil,mauriciomedeiros/RubyCastsBrasil,castsbrasil/castsbrasil,castsbrasil/castsbrasil,jeanmatheussouto/RubyCastsBrasil,laurow/RubyCastsBrasil,RubyCastsBrasil/RubyCastsBrasil,mfbmina/RubyCastsBrasil,RubyCastsBrasil/RubyCastsBrasil,laurow/RubyCastsBrasil,wenderjean/RubyCastsBrasil,mfbmina/RubyCastsBrasil,jeanmatheussouto/RubyCastsBrasil,laurow/RubyCastsBrasil,wenderjean/RubyCastsBrasil,mfbmina/RubyCastsBrasil,mauriciomedeiros/RubyCastsBrasil,mauriciomedeiros/RubyCastsBrasil,RubyCastsBrasil/RubyCastsBrasil