Implement IProfile Get and GetBase (#266)

* implement IProfile Get(Base)

* use default user

* changed userid

Ryujinx.HLE/Settings/SystemSettings.cs

@@ -1,7 +1,11 @@
+using System.Collections.Generic;
+using Ryujinx.HLE.OsHle;
+
 namespace Ryujinx.HLE.Settings
 {
     public class SystemSettings
     {
-        public ColorSet ThemeColor;
+        public Profile  User { get; set; }
+        public ColorSet ThemeColor { get; set; }
     }
 }