AWS CDK + Clef: Secrets that work the way you might expect in IaC

A ~10-minute, copy-paste tutorial that takes you from an empty directory to a fully working Clef setup, then deploys the production secrets to AWS Secrets Manager via the @clef-sh/cdk constructs. By the end, you'll have: A clef.yaml with two namespaces (database, payments) across two environments (d