✨ Add py.typed file

[tkilias]

Summary

The toolbox lacks the py.typed file which allows other projects use the type information provided by this project. Please, add the py.typed file.

Background & Context

While typing the integration-test-docker-environment we found that the toolbox doesn't to seem to export types.

References

https://x.com/jxnlco/status/1860065961811837363?t=7UqaDx_cE2CmF3NY_0zagg&s=09

Task(s)

• Add py.typed file to package