feat(Scheduler, MatchService, PredefinedActivity): enhance scheduling and match fetching features

- Added new scheduler routes to manage scheduling functionalities.
- Updated match fetching logic to include a scope parameter for more flexible data retrieval.
- Introduced a new field `excludeFromStats` in the PredefinedActivity model to manage activity visibility in statistics.
- Enhanced the diary date activity controller to handle predefined activities, improving activity management.
- Refactored various services to support new features and improve overall data handling.

backend/server.js

@@ -34,6 +34,7 @@ import Location from './models/Location.js';
 import groupRoutes from './routes/groupRoutes.js';
 import diaryDateTagRoutes from './routes/diaryDateTagRoutes.js';
 import sessionRoutes from './routes/sessionRoutes.js';
+import schedulerRoutes from './routes/schedulerRoutes.js';
 import tournamentRoutes from './routes/tournamentRoutes.js';
 import accidentRoutes from './routes/accidentRoutes.js';
 import trainingStatsRoutes from './routes/trainingStatsRoutes.js';
@@ -113,6 +114,7 @@ app.use('/api/matches', matchRoutes);
 app.use('/api/group', groupRoutes);
 app.use('/api/diarydatetags', diaryDateTagRoutes);
 app.use('/api/session', sessionRoutes);
+app.use('/api/scheduler', schedulerRoutes);
 app.use('/api/tournament', tournamentRoutes);
 app.use('/api/accident', accidentRoutes);
 app.use('/api/training-stats', trainingStatsRoutes);