0.4.0

This new minor release series includes various enhancements and changes.

• Addition of a new endpoint /viz to generate interactive usage charts for project developers / stakeholders. To access the charts,
  a project token is required.
• New /graphql query login() to authenticate usage queries by project.
• Option to deploy server ala WSGI-mode via Gunicorn.
• Packaging updates: this package will now install as a submodule within the migas namespace, and can be imported via import migas.server.
• Shift to hatchling for the build backend.
• Loosen default request body / rate caps.
• Shift to using the GitHub wiki for more nitty-gritty developer information.