Changes to Start Design Task

removed the enum value fable of the request property model_tier/anyOf[subschema #1]

added the new layerize_assets enum value to the kind response property for the response status 200

added the new optional request property user_request_quote

added the new fable-5.1 enum value to the request property model_tier/anyOf[subschema #1]

added the new pro-fast enum value to the request property model_tier/anyOf[subschema #1]

added the non-success response with the status 402

added the optional property first_started_at to the response with the 200 status

added the optional property retryable to the response with the 401 status

added the optional property retryable to the response with the 403 status

added the optional property retryable to the response with the 404 status

added the optional property retryable to the response with the 409 status

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

added the optional property retryable to the response with the 429 status

added the optional property retryable to the response with the 500 status

added PublicLayerizeAssetsResult to the result response property anyOf list for the response status 200

added the required property attempts_started to the response with the 200 status