- Added routes for outsource purchase management, including CRUD operations and additional features such as auto-processes and release requests.
- Created the `outsourcePurchaseController` to handle business logic for managing outsource purchase orders.
- Introduced the `outsourcePurchaseService` for service layer operations related to outsource purchases.
- Updated `app.ts` to include the new routes for outsource purchase management.
(TASK:ERP-019)