First approach: NavHost

FirstApproachNavHost.kt

NavHost(
    navController = navController,
    startDestination = LoginScreenSpec.route
) {
    ScreenSpec.allScreens.forEach { screen ->
        composable(
            screen.route,
            screen.arguments,
            screen.deepLinks,
        ) {
            screen.Content(navController, it)
        }
    }
}