Added basic file structure for routes, models and controllers

ref #1

README.md

@@ -11,3 +11,8 @@ docker-compose up --build
 [Visual Studio Code](https://code.visualstudio.com/)
 ### Recommended Extensions
 - will be automatically recommended via ./vscode/extensions.json
+
+## File Structure
+- src/models/* - database models
+- src/routes/* - api routes for express
+- src/controllers/* - business logic