Cognito backup

https://github.com/mifi/cognito-backup
https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-pools-using-import-tool-csv-header.html to convert
https://docs.aws.amazon.com/cognito/latest/developerguide/user-pool-settings-attributes.html
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-cognito-userpool.html#cfn-cognito-userpool-schema
https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/CognitoIdentityServiceProvider.html