Describes available services to which you can create a VPC endpoint.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/ec2/describe-vpc-endpoint-services.html
| aws ec2 describe-vpc-endpoint-services --region us-east-1 |
| New VPC Endpoints for DynamoDB | M-SQUARE : http://m-square.com.au/new-vpc-endpoints-for-dynamodb/ |