update sync scripts

dashboard-ui/bower_components/emby-apiclient/sync/transfermanager.js

@@ -0,0 +1,23 @@
+define(['filerepository'], function (filerepository) {
+    'use strict';
+
+    function downloadFile(url, localPath) {
+
+        return Promise.resolve();
+    }
+
+    function downloadSubtitles(url, localItem, subtitleStreamh) {
+
+        return Promise.resolve('');
+    }
+
+    function downloadImage(url, serverId, itemId, imageTag) {
+        return Promise.resolve(false);
+    }
+
+    return {
+        downloadFile: downloadFile,
+        downloadSubtitles: downloadSubtitles,
+        downloadImage: downloadImage
+    };
+});