Shows how the implementation of the toolbar show look like

DetailScreen().kt

        TopAppBar(backgroundColor = Color.Transparent, elevation = 0.dp) {
            Row(
                horizontalArrangement = Arrangement.Start,
                modifier = Modifier.padding(start = 8.dp)
            ) {
                Icon(
                    imageVector = Icons.Default.ArrowBack,
                    contentDescription = "Arrow Back",
                    modifier = Modifier.clickable {
                        navController.popBackStack()
                    })
                Spacer(modifier = Modifier.width(8.dp))
                Text(text = "Country Detail", fontWeight = FontWeight.Bold)
            }
        }