Draft: adds apollo config for VSCode extension

What does this MR do and why?

This MR improves VSCode IDE for GraphQL. It adds:

• apollo.config.js for Apollo GraphQL VS Code extension as per GitLab setup GraphQL docs
• .graphqlrc for GraphQL as per graphql-config.com

Screenshots or screen recordings

• Apollo
  

• GraphQL plugin w/ intellisense

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.