this application only works in combination with the frontend - application. you can download the frontend - application here:
you found a demo here:
please install ruby v2.5.0 or higher. you can download ruby here:
please install the dependencies with the following command:
for starting the client-side-application please execute the following command:
ruby bin/rails server -p $PORT -e $RAILS_ENV
$PORT is the given port. default is 1235 $RAILS_ENV is the defined environment. This argument is optional.