### NavigationRailSample
```kotlin
@Preview
@Composable
fun NavigationRailSample() {
    var selectedItem by remember { mutableIntStateOf(0) }
    val items = listOf("Home", "Search", "Settings")
    val selectedIcons = listOf(Icons.Filled.Home, Icons.Filled.Favorite, Icons.Filled.Star)
    val unselectedIcons =
        listOf(Icons.Outlined.Home, Icons.Outlined.FavoriteBorder, Icons.Outlined.StarBorder)
    NavigationRail {
        items.forEachIndexed { index, item ->
            NavigationRailItem(
                icon = {
                    Icon(
                        if (selectedItem == index) selectedIcons[index] else unselectedIcons[index],
                        contentDescription = item,
                    )
                },
                label = { Text(item) },
                selected = selectedItem == index,
                onClick = { selectedItem = index },
            )
        }
    }
}
```