Starter Kit: Backend updates for Open Sentencing

[upkarlidder]

Background on the problem the feature will solve/improved user experience

Update the backend to support the front end.

Describe the solution you'd like

The backend has been deployed to IBM Code Engine.

• connect backend to a couchdb database
• implement end points as described in the swagger docs
• populate backend with mock data. You can use a framework like faker.
• Complete related issues listed below

Related Issues

• The cloudant library will deprecate December 2021 #21
• Back-end authentication (app to app integration between UI and aggregator) #22
• Generate swagger files from code #25
• CI/CD with Github actions in Open Sentencing Aggregator #30
• Use aggregator to create dummy data for UI #32

Acceptance Criteria

The backend is connected to a central database and returns sensible mock data. Front end can use the API hosted on code engine.