[GDI - access-management-service] Implement the endpoint that retrieves all baskets

[brunopacheco1]

What

Implement the endpoint that retrieves all baskets, per user.

This story is blocked by:

• [GDI - access-management-service] Design Data Access Management API #9

Why

So we can integrate this endpoint with front-end.

Tasks

• Implement new endpoint.
• Integrate with REMS.
• Add tests.
• Document the API with OpenAPI specification.

Acceptance Criteria

• Is the endpoint available?
• Is the endpoint tested?
• Is the endpoint documented?