[Chapter 6] Creating the routes definition for the API
[Chapter 6] registering the app_api routes into the main application
[Chapter 6] Adding stub implementation for the underlying API calls
[Chapter 6] Integrating Mongoose and the model into the controller
[Chapter 6] Moving models from app_server to app_api
[Chapter 6] Implement locations::locationsReadOne

Read from MongoDB as well as handle errors gracefully.
Implementing some REST endpoints