Add refresh button and mobile view.

server/src/main.rs

@@ -18,6 +18,10 @@ fn hello() -> &'static str {
     "Hello, world!"
 }
 
+#[get("/refresh")]
+async fn refresh(nm: &State<Notmuch>) -> Result<Json<String>, Debug<NotmuchError>> {
+    Ok(Json(String::from_utf8_lossy(&nm.new()?).to_string()))
+}
 #[get("/search")]
 async fn search_all(nm: &State<Notmuch>) -> Result<Json<SearchSummary>, Debug<NotmuchError>> {
     search(nm, "*").await
@@ -123,6 +127,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
                 original_part,
                 original,
                 hello,
+                refresh,
                 search_all,
                 search,
                 show_pretty,