feat(queue): swap indices rpc

src/music/player.rs

@@ -171,6 +171,20 @@ impl AudioPlayer {
             .await
     }
 
+    pub async fn swap_queue_indices(&mut self, a: usize, b: usize) -> bool {
+        let mut queue = self.queue.lock().await;
+
+        let len = queue.len();
+
+        if a >= len || b >= len {
+            return false;
+        }
+
+        queue.swap(a, b);
+
+        true
+    }
+
     pub async fn resume(&self) {
         self.sink.lock().await.play();
     }