Merge pull request #1594 from Adyen/add-model-export-agents-md

docs(agents): mention how to expose new models

Author: galesky-a

AGENTS.md

@@ -47,6 +47,7 @@ To test new features or changes to the templates, you must run the generation pr
 - **`src/service.ts`**: The base class for all API services, containing the generic HTTP client logic.
 - **`src/services/`**: This package contains the generated service classes (e.g., `CheckoutAPI`, `Management`) that expose methods for specific API endpoints.
 - **`src/typings/`**: This package contains the generated TypeScript types (models) used for API requests and responses.
+  - `src/typings/index.ts`: Re-exports all models. This file must be manually updated to export models from any new service.
 
 ## Development Workflow