Function breadcrumb 

pub fn breadcrumb(items: &[BreadcrumbItem]) -> Element<Nav>

Create a Bootstrap breadcrumb navigation.

Example

use ironhtml_bootstrap::breadcrumb::{breadcrumb, BreadcrumbItem};

let items = vec![
    BreadcrumbItem::link("Home", "/"),
    BreadcrumbItem::link("Library", "/library"),
    BreadcrumbItem::active("Data"),
];

let nav = breadcrumb(&items);
assert!(nav.render().contains("breadcrumb"));
assert!(nav.render().contains(r#"aria-current="page"#));