python manage.py test to see if everything works as intended
POST
http://localhost:8000/shorten/
Expected payload: { 'url': SOME_URL }
GET
http://localhost:8000/<SHORTENED_SLUG>
Will redirect, if exist, to website for which given slug was previously generated
http://localhost:8000/unshort?url=<SHORTENED_SLUG OR SHORTENED_URL>
Will return full url path (if exist) for given slug/shortened url.