ZIO Gatsby theme

See Requirements for deficits and requirements for the new zio.dev.

See Gatsby for a 30000ft overview how we want to use Gatsby.

Run locally

• set up Node (so far we have tried Node 18)
• set up yarn
• checkout the project
• navigate to gatsby-theme-ziodoc
• run `yarn install´
• run yarn dev
• goto
  • http://localhost:8000
  • http://localhost:8000/___graphql
  • http://localhost:8000/xx (to see the default dev error page with a list of available pages)