The local testing instruction are missing from the hello world example.
The format of the payload is not intuitive or trivial to guess. We need
to make it explicit
All the `Package.swift` files from the examples use `path: "."` instead
of `path: "Sources"` which triggers error messages when users add a
`Tests` directory.
* add aws sdk example
* add soto example
* use amazonlinux docker image instead of ubuntu
* dynamically add runtime dependency based on env var
* remove import of Foundation.ProcessInfo
* workaround https://github.com/actions/checkout/issues/1487
Sébastien StormacqandGitHub