remeber two factor token

src/App/Abstractions/Services/ITokenService.cs

@@ -8,6 +8,7 @@ namespace Bit.App.Abstractions
         string RefreshToken { get; set; }
         [Obsolete("Old auth scheme")]
         string AuthBearer { get; set; }
+        string TwoFactorToken { get; set; }
         DateTime TokenExpiration { get; }
         string TokenIssuer { get; }
         bool TokenExpired { get; }