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/models/PredefinedActivity.js

@@ -36,6 +36,11 @@ const PredefinedActivity = sequelize.define('PredefinedActivity', {
         type: DataTypes.STRING,
         allowNull: true,
     },
+    excludeFromStats: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+    },
 }, {
     tableName: 'predefined_activities',
     timestamps: true,