Changes to List Retriever Templates

removed the optional property detail from the response with the 422 status

added the non-success response with the status 429

added the non-success response with the status 503

added the optional property success to the response with the 422 status

added the required property error to the response with the 422 status

added the required property status to the response with the 422 status

added the new manifest enum value to the results/items/mode response property for the response status 200

the endpoint scheme security BearerAuth AND NamespaceHeader was added to the API

added the optional property results/items/example_queries to the response with the 200 status

added the optional property results/items/materialize_estimate to the response with the 200 status

added the optional property results/items/whats_inside to the response with the 200 status

deleted the header request parameter Authorization

deleted the header request parameter X-Namespace

deleted the header request parameter authorization

added the optional property detail/items/ctx to the response with the 422 status

added the optional property detail/items/input to the response with the 422 status

added the optional property error/code to the response with the 400 status

added the optional property error/code to the response with the 401 status

added the optional property error/code to the response with the 403 status

added the optional property error/code to the response with the 404 status

added the optional property error/code to the response with the 500 status

endpoint added