Before implementing save to textfiles

TrackerLibrary/DataAccess/IDataConnection.cs

@@ -10,6 +10,7 @@ namespace TrackerLibrary.DataAccess
         PrizeModel CreatePrize(PrizeModel model);
         PersonModel CreatePerson(PersonModel model);
         TeamModel CreateTeam(TeamModel model);
+        TournamentModel CreateTournament(TournamentModel model);
         List<TeamModel> GetTeam_All();
         List<PersonModel> GetPerson_All();
     }