Add server api definition

MusicCast.Net.Api.Server/Models/GetPlayQueueResponse.cs

@@ -0,0 +1,22 @@
+namespace MusicCast.Net.Api.Server.Models;
+
+public class GetPlayQueueResponse
+{
+    public int response_code { get; set; }
+    public string type { get; set; }
+    public int max_line { get; set; }
+    public int playing_index { get; set; }
+    public int index { get; set; }
+    public Track_info[] track_info { get; set; }
+
+    public class Track_info
+    {
+        public string input { get; set; }
+        public string text { get; set; }
+        public string thumbnail { get; set; }
+        public int attribute { get; set; }
+    }
+}
+
+
+