const stackPantalla1 = createDrawerNavigator(
      {
        root: RootScreen,
        one: SoneScreen,
      }
    )

    const stackPantalla2 = createDrawerNavigator(
      {
        root2: RootScreen,
        one2: SoneScreen,
      }
    )

   const Drawer = createDrawerNavigator(
      {
        stack1: { screen: stackPantalla1 },
        stack2: { screen: stackPantalla2 }
      },
      {
        initialRouteName: "stack1"
      }
   );