add icon in notistack code example
Example: Notistack
import { useSnackbar } from 'notistack';
const MyButton = () => {
const { enqueueSnackbar, closeSnackbar } = useSnackbar();
const handleClick = () => {
enqueueSnackbar('I love hooks');
};
return (
<Button onClick={handleClick}>Show snackbar</Button>
);
}