Initial migration service changes for assessment support (#1093)

* Migration service WIP 1

* Assessment DLLs

* WIP

* WIP 2

* Add migration nuget package

* WIP2

* Fix up assessment handler

* WIP

* Fix build scripts

* WIP

* Update Assessment references

* Fix metadata copy to work with publish

src/Microsoft.SqlTools.ServiceLayer/Migration/Contracts/ImpactedObjectInfo.cs

@@ -0,0 +1,19 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.SqlServer.Management.Assessment;
+
+namespace Microsoft.SqlTools.ServiceLayer.Migration.Contracts
+{
+    /// <summary>
+    /// Describes an item returned by SQL Assessment RPC methods
+    /// </summary>
+    public class ImpactedObjectInfo
+    {
+        public string Name { get; set; }
+        public string ImpactDetail { get; set; }
+        public string ObjectType { get; set; }
+    }
+}