We need a richer documentation (not only Store API mentions) for app creators: - Authentication flow explanation (with images); - Publish to Market for merchant installation; - Paragraph about [Application Starter](https://github.com/ecomplus/application-starter) and benefits; - Videos with Application Starter and _from scratch_ using some tool to debug requests; Public RequestBin endpoint is a seems to be a good option for examples: https://requestbin.com/r/enwoke6mykn58