Postman improvements #152
Description
- Add tutorial on how to configure Postman properly and show how you can create predictions on a document
- Link to docs and guides various places
- Fix auth so that inherit auth works after adding client ID and client secret to parent auth without having to "refresh auth" by switching from "inherit" to something else and back to "inherit"
- Short description of the relevant API endpoints to train a model
- Add utm_campaign in links