All files that have to do with data handling and MongoDB connections should be in the model directory
- Setup your MongoDB models and schemas in *.mongo.js files
- All files for data handling should be in *.model.js files
All files for manipulating data and defining api routes should be in the router directory
- Files for manipulating data from the _.model.js files should be in the _.controller.js files
- Files for defining api routes should be in the *.router.js files