Get OpenAPI integration with our public facing codes API

[BryceStevenWilley]

Using OpenAPI / Swagger.

Relevant links:

• https://openapi-generator.tech/docs/customization/

In progress branch; https://github.com/SuffolkLITLab/EfileProxyServer/tree/openapi_changes

Consider using CoPilot, it's a whole lot of code. Might be annoying to maintain all of the docs, but try it and see.