Anadi la ruta a RoomScreen

App.js

 import { firebaseConfig } from './config/firebaseConfig';
 import rootReducer from './redux/reducers'
 import HomeScreen from './screens/main/Home_page';
+import RoomScreen from './screens/main/RoomScreen';
 import Calendario from './screens/main/Calendar';
 import Time from './screens/main/StateTime';
 import Search from './screens/main/Search';
         <NavigationContainer>
           <Stack.Navigator initialRouteName="Home">
             <Stack.Screen name="Home" options={{headerTransparent: true, headerTitle: " "}} component={HomeScreen} />
+            <Stack.Screen name="Room" component={RoomScreen} options={({ route }) => ({ title: route.params.thread.name })} />
             <Stack.Screen name="Calendar"  component={Calendario}/>
             <Stack.Screen name = "StateTime" component={Time}/>
             <Stack.Screen name = "Search" component={Search}/>