Initial versione of Quizzard client desktop
Deploy on github pages
* Update config envs
* Update package.json for heroku deploy
Add API config for production env
Fake user

* Add a button to request from API a fake user
Fake user

* Add a button to retrieve a fake user from API
Improvements

* Add show final result's button, to get the final ranking, only on the
* mobile client's side.
* Add other little improvements