AWSSDKSwift: Create User report

gistfile1.txt

```swift
let cloudTrail = CloudTrail(region:.euwest1)
let ses = SES(region:.euwest1)

let request = CloudTrail.LookupEventsRequest(
    endTime:TimeStamp(Date()), 
    lookupAttributes: [.init(attributeKey: .username, attributeValue: "adamfowler")], 
    startTime: TimeStamp(Date(timeIntervalSinceNow: -24*60*60))
)
// generate report
let response = cloudTrail.lookupEvents(request)
    // massage data
    .map { response in
        return response.events?.compactMap { event -> String? in
            if let source = event.eventSource, let name = event.eventName {
                return "source: \(source), event: \(name)"
            }
            return nil
        } ?? []
    }
    // email report
    .flatMap { events -> EventLoopFuture<SES.SendEmailResponse> in
        let messageBody = "Usage:\n\(events.joined(separator: "\n"))"
        let messageSubject = "Usage report for Adam Fowler"
        let request = SES.SendEmailRequest(
            destination: SES.Destination(toAddresses: ["reports@awssdkswift.com"]),
            message: .init(body:.init(text:.init(data:messageBody)), subject: .init(data: messageSubject)),
            source: "admin@awssdkswift.com")
        return ses.sendEmail(request)
}
```