API Docs: Add (generate) other methods besides CURL to API docs

F.e. it was not immediately clear, that basic auth (request - How to send Basic Auth with axios - Stack Overflow) is needed for axios request against the API.

The API docs of Stamped are a good example:

They seem to be generated with GitHub - postmanlabs/postman-code-generators: Common repository for all code generators shipped with Postman