Function carousel 

pub fn carousel(id: &str, items: &[CarouselItem]) -> Element<Div>

Create a Bootstrap carousel.

Example

use ironhtml_bootstrap::carousel::{carousel, CarouselItem};

let items = vec![
    CarouselItem::new("/img/1.jpg", "First slide").active(),
    CarouselItem::new("/img/2.jpg", "Second slide"),
    CarouselItem::new("/img/3.jpg", "Third slide"),
];

let c = carousel("myCarousel", &items);
assert!(c.render().contains("carousel"));