- Removed authentication and company context guards from multiple controllers in the customer, proforma, document series, and supplier modules.
- Consolidated guard registration logic in routes to enforce company ID restrictions globally.
- Cleaned up imports and ensured consistent error handling across controllers.
- Add UpdateDocumentSeriesController for updating document series.
- Create documentSeriesApiErrorMapper for error handling.
- Define document series routes including CRUD operations.
- Implement Sequelize-based persistence layer for document series.
- Add DTOs for request and response schemas for document series operations.
- Establish common structures for document series data handling.
- Configure TypeScript settings for the document series module.
