add sample rate support

src/ui.rs

@@ -50,8 +50,9 @@ impl Widget for &mut App {
 
         let now_playing_block = Block::bordered()
             .title(format!(
-                "Now Playing | Vol: {:.0}",
-                self.player.volume() * 100.0
+                "Now Playing | Vol: {:.0} | Rate: {}Hz",
+                self.player.volume() * 100.0,
+                self.sample_rate
             ))
             .border_type(Rounded);
         let inner = now_playing_block.inner(center_area[1]);