text: import { createAppContainer } from "react-navigation";
  import { createStackNavigator } from "react-navigation-stack";
  
  import Main from "./pages/Main";
  import Profile from "./pages/Profile";
  
  const Routes = createAppContainer(
    createStackNavigator(
      {
        Main: {
          screen: Main,
          navigationOptions: {
            title: "devRadar - Gab"
          }
        },
        Profile: {
          screen: Profile,
          navigationOptions: {
            title: "Perfil do Github"
          }
        }
      },
      {
        defaultNavigationOptions: {
          headerTintColor: "#fff",
          headerBackTitleVisible: false,
          headerStyle: {
            backgroundColor: "#fa0f84"
          }
        }
      }
    )
  );
  
  export default Routes;
  