Links to docs & examples

[aalmiray]

How can this SDK be used to trigger events?

[afrittoli]

Thanks @aalmiray - we need some docs to be created for the SDK, at least a getting started in the README.md - similar to what we have in the go sdk https://github.com/cdevents/sdk-go/blob/main/README.md

[rjalander]

Created PR for this, #40