Add GameClient class.

zsirozas/GameClient.cs

+using System;
+namespace zsirozas
+{
+    public class GameClient
+    {
+        public GameClient()
+        {
+        }
+    }
+}

zsirozas/zsirozas.csproj

@@ -50,6 +50,7 @@
     <Compile Include="Round.cs" />
     <Compile Include="Game.cs" />
     <Compile Include="Server.cs" />
+    <Compile Include="GameClient.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />