- Created ExpenseModel, Project, ExpenseType, PaymentMode, PaidBy, CreatedBy, and Status classes for expense management.
- Implemented JSON serialization and deserialization for expense models.
- Added ExpenseStatusModel and ExpenseTypeModel for handling status and type of expenses.
- Introduced PaymentModeModel for managing payment modes.
- Refactored ExpenseDetailScreen to utilize the new ExpenseModel structure.
- Enhanced UI components for better display of expense details.
- Added search and filter functionality in ExpenseMainScreen.
- Updated dependencies in pubspec.yaml to include geocoding package.