added sync model objects

MediaBrowser.Model/Sync/SyncScheduleRequest.cs

@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+
+namespace MediaBrowser.Model.Sync
+{
+    public class SyncScheduleRequest
+    {
+        /// <summary>
+        /// Gets or sets the device identifier.
+        /// </summary>
+        /// <value>The device identifier.</value>
+        public List<string> DeviceIds { get; set; }
+        /// <summary>
+        /// Gets or sets the quality.
+        /// </summary>
+        /// <value>The quality.</value>
+        public SyncQuality Quality { get; set; }
+
+        public SyncScheduleRequest()
+        {
+            DeviceIds = new List<string>();
+        }
+    }
+}