Auto add "Valid values" to the typescript typing when generating.

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-codedeploy-deploymentgroup-deploymentstyle.html#cfn-codedeploy-deploymentgroup-deploymentstyle-deploymentoption

DeploymentOption
Indicates whether to route deployment traffic behind a load balancer.

Required: No

Type: String

**Valid values: WITH_TRAFFIC_CONTROL or WITHOUT_TRAFFIC_CONTROL**

Update requires: No interruption

首先，跟踪此存储库中的 TypeScript 声明生成路径，并将链接的 AWS CloudFormation DeploymentOption 文档作为预期输入。完成的标准是：生成的类型定义将 WITH_TRAFFIC_CONTROL 和 WITHOUT_TRAFFIC_CONTROL 表示为 DeploymentOption 字符串属性的有效值。

由索引模型根据 Issue 内容生成。