Function view 

pub fn view<'a, Theme, Renderer>(
    items: &'a [Item],
    settings: impl Into<Settings>,
    theme: Theme,
) -> impl Widget<Uri, Theme, Renderer> + 'a
where
    Theme: Catalog + Catalog + 'a,
    Renderer: Renderer<Paragraph = Paragraph> + 'a,

Display a bunch of markdown items.