Create a repository doc.go file with godoc examples

[marclop]

Overview

Add a doc.go file at the repository root which includes some usage help, examples and better documentation.

Possible Implementation

Examples:

• https://pkg.go.dev/cloud.google.com/go?tab=doc
• https://pkg.go.dev/github.com/aws/aws-sdk-go?tab=doc

[marclop]

This is still relevant.

[marclop]

This is already fixed.