Initial housing for marketplace guides, and API docs on Vendasta's stoplight
It powers the documentation at https://developers.vendasta.com/vendors
For details see https://vendasta.jira.com/wiki/spaces/API/pages/1670709369/Updating+Documentation and https://vendasta.jira.com/wiki/spaces/RD/pages/400719899/Exposing+a+Go+Microservice+RPC+to+Vendors