state: auto reload every 30 seconds

web/src/state.rs

@@ -20,6 +20,9 @@ pub fn init(url: Url, orders: &mut impl Orders<Msg>) -> Model {
         orders.notify(subs::UrlRequested::new(url));
     };
     orders.stream(streams::window_event(Ev::Resize, |_| Msg::OnResize));
+    // TODO(wathiede): only do this while viewing the index? Or maybe add a new message that force
+    // 'notmuch new' on the server periodically?
+    orders.stream(streams::interval(30_000, || Msg::RefreshStart));
     orders.subscribe(on_url_changed);
 
     Model {