Add project files.

PolyChat/Models/Exceptions/ConnectionFailedException.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PolyChat.Models.Exceptions
+{
+    public class ConnectionFailedException : Exception  
+    {
+
+    }
+}