Is your feature request related to a problem? Please describe.
I would like to know how Brighter reacts if it receives messages from other systems.

Describe the solution you'd like
Would like to know if you can rely on default behavior or if any additional message headers are needed

Currently, the PubSub interface contains a Closer() error function so that the component can cleanly shutdown when daprd is stopped. This does not exist in bindings and that has resulted in binding implementations are having to use signal.Notify in order to stop a subscription, etc.

Instead, PubSub and Binding interfaces could embed io.Closer. Many of the pubsub components have moved to

There's a warning note in README.md detailing:

Warning - the AnalyzeDocument process from AWS Textract costs $50 per 1,000 PDF pages. Be careful when deploying this CDK stack as you could unintentionally rack up an expensive AWS bill quickly if you're not paying attention.

This might not be enough - if a user finds this project and doesn't read the documentation, they could inadvertently