This is a one page converter app: from Roman to Arabic numbers and from Arabic to Roman. Client side is represented by React (port 3000) and server side API is represented by Django with DRF (port 8000).
Usage:
Run in project_root/frontend:
$npm run build
$npm start
Run in project_root/backend
$python manage.py runserver
Go to localhost:3000 and convert your numbers.