added restore options (#423)

* added restore options

src/Microsoft.SqlTools.ServiceLayer/Utility/FeaturesMetadataProviderHelper.cs

@@ -0,0 +1,28 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System.Collections.Generic;
+using Microsoft.SqlTools.Hosting.Hosting.Contracts;
+using Microsoft.SqlTools.ServiceLayer.DisasterRecovery;
+
+namespace Microsoft.SqlTools.ServiceLayer.Utility
+{
+    public class FeaturesMetadataProviderHelper
+    {
+        public static FeatureMetadataProvider[] CreateFratureMetadataProviders()
+        {
+            List<FeatureMetadataProvider> featues = new List<FeatureMetadataProvider>();
+
+            featues.Add(new FeatureMetadataProvider
+            {
+                FeatureName = "Restore",
+                Enabled = true,
+                OptionsMetadata = RestoreOptionsHelper.CreateRestoreOptions()
+            });
+
+            return featues.ToArray();
+        }
+    }
+}