This is, admittedly, mostly the [twilio-go](https://github.com/twilio/twilio-go) Quickstart, adapted with positional arguments and environment variables for secrets. But it's definitely a start!
Co-authored-by: Dani Sweet <djsweet@users.noreply.github.com>
Reviewed-on: #7
Reviewed-by: maren <git@stillgreenmoss.net>
