Separation of core library from the UWP app.

Wino.Services/Threading/OutlookThreadingStrategy.cs

@@ -0,0 +1,13 @@
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Services.Threading
+{
+    // Outlook and Gmail is using the same threading strategy.
+    // Outlook: ConversationId -> it's set as ThreadId
+    // Gmail: ThreadId
+
+    public class OutlookThreadingStrategy : APIThreadingStrategy, IOutlookThreadingStrategy
+    {
+        public OutlookThreadingStrategy(IDatabaseService databaseService, IFolderService folderService) : base(databaseService, folderService) { }
+    }
+}