Implement banking system features and enhancements

- Added banking mode with checking, savings, and charity accounts, including auto-split options for income.
- Introduced banking transaction management, including transfers and charity outflows.
- Updated family settings to allow configuration of banking features and interest rates.
- Enhanced data export functionality to include bank transactions.
- Improved user interface to display banking information and donation goals.
- Updated documentation to reflect new banking features and settings.

scripts/daily_export.php

@@ -4,7 +4,7 @@ require_once __DIR__ . '/../includes/utils.php';
 require_once __DIR__ . '/../config/config.php';
 
 // Export all data types
-$types = ['chores', 'groceries', 'meals', 'meal_plans', 'expenses', 'stores', 'grocery_lists', 'grocery_catalog'];
+$types = ['chores', 'groceries', 'meals', 'meal_plans', 'expenses', 'stores', 'grocery_lists', 'grocery_catalog', 'bank_transactions'];
 $results = [];
 
 foreach ($types as $type) {