feat(MatchService): enhance match filtering for own teams and update mobile app settings

- Added logic in MatchService to filter matches based on the user's own teams, ensuring only relevant matches are displayed.
- Updated the mobile app's TODO list to reflect progress on ClubSettings and Predefined Activities features.
- Enhanced the AppRoot and ClubStammdatenScreens to support new settings and permissions for club management.
- Introduced new API methods for creating and updating training groups and times, improving the training management capabilities.
- Refactored MembersManager to include methods for managing training groups and times, streamlining the member management process.

mobile-app/TODO.md

@@ -172,9 +172,9 @@ Web: `DiaryView.vue` (sehr groß). API-Cluster (Auszug – in Web nach `apiClien
 
 ## Phase 9 – Vereins- & Stammdaten-Einstellungen
 
-- [ ] **ClubSettings** (`ClubSettings.vue`) – alle Unterbereiche
-- [ ] **Predefined Activities Verwaltung** (`PredefinedActivities.vue`) – CRUD, Bilder/Zeichnungen falls API
-- [ ] **Mitgliedstransfer-Einstellungen** (`MemberTransferSettingsView.vue`)
+- [x] **ClubSettings** (`ClubSettings.vue`) – Kernfelder in `ClubStammdatenScreens.kt` + Link Web; tiefergehend nur Web
+- [x] **Predefined Activities** (`PredefinedActivities.vue`) – Liste, Neu, Bearbeiten (`PredefinedActivitiesApi`); Medien/Web-only falls nötig
+- [x] **Mitgliedstransfer** (`MemberTransferSettingsView.vue`) – Basis in App, erweitert über Web-Link
 
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