Creates a horizontal 'trail of breadcrumb' buttons or links based on the given items and the implementation of renderBreadcrumbItem.
Items on the left are truncated automatically if there is not enough available (horizontal) space.
An array of item objects to render as breadcrumbs. Each item should at least have a label property. Any other properties are kept on each individual item, to be used when rendering a breadcrumb item element using renderBreadcrumbItem.