add provider.json
- illustrate how to add new endpoionts to the API and how to adapt the swagger definitions accordingly
related to bitmask-core#9 (closed)
closes #26 (closed)
This MR aims to provide a backwards-compatible way to fetch provider.json from menshen. The provider.json will contain a couple of new fields that have been discussed in #26 (closed)
The generated swagger code will be used within bitmask-core.