Code cleanup

[conradwt]

No description provided.

[github-actions]

Docker image tag(s) pushed:

ghcr.io/conradwt/zero-to-graphql-using-elixir:gha-19356148517
ghcr.io/conradwt/zero-to-graphql-using-elixir:pr-291 

Labels added to images:

org.opencontainers.image.created=2025-11-14T06:19:11.086Z
org.opencontainers.image.description=The purpose of this example is to provide details as to how one would go about using GraphQL with the Elixir Language.
org.opencontainers.image.licenses=MIT
org.opencontainers.image.revision=a988e7fc718c9f70c7059d94b96b5fd2340887fb
org.opencontainers.image.source=https://github.com/conradwt/zero-to-graphql-using-elixir
org.opencontainers.image.title=zero-to-graphql-using-elixir
org.opencontainers.image.url=https://github.com/conradwt/zero-to-graphql-using-elixir
org.opencontainers.image.version=gha-19356148517