c6801ef2f3
- Introduced a new endpoint to assign companies to a customer, enhancing the customer management capabilities.
- Implemented the AssignCompanies handler in the customer service layer, including validation and structured responses.
- Updated the routes to include the new PATCH /admin/v1/customers/{id}/companies endpoint, improving administrative functionalities.
- Enhanced API documentation with Swagger comments for the new endpoint, ensuring clarity for API consumers.