message: updating img url
diff: @@ -6,7 +6,7 @@ Most of this code was borrowed from https://www.cdkworkshop.com
  This is the most basic of implementations and would have to be hardened before production use. e.g. cognito added to the API Gateway
  -![Architecture](https://raw.githubusercontent.com/nideveloper/serverless/master/the-simple-webservice/img/arch.png)
  +![Architecture](https://raw.githubusercontent.com/cdk-patterns/serverless/master/the-simple-webservice/img/arch.png)
  ## Useful commands
  