feat(tournament): enhance tournament creation with group settings and winning sets logic

- Updated the tournamentService to set default values for tournament type, number of groups, and advancing participants for group tournaments.
- Adjusted the frontend logic to dynamically determine the number of winning sets based on the mini championship year, ensuring proper configuration for tournaments.

backend/services/tournamentService.js

@@ -743,7 +743,9 @@ class TournamentService {
                 name: tournamentName,
                 date,
                 clubId: +clubId,
-                type: '',
+                type: 'groups',
+                numberOfGroups: 1,
+                advancingPerGroup: 1,
                 winningSets: sets,
                 allowsExternal: false,
                 miniChampionshipYear: Y