something is going on over there
I followed the same steps from the README
bin/uml-generator-php generate:json /Users/clemens/Sites/drupal/d8/www tests/output
Sorry. And theirs is better :p
Using FF the site reports
Sorry, Berghaintrainer requires Google Chrome Browser.
De site report it needs access to your microphone and camera.
We were unable to display more then 2 tags while the data from all 4 tags were received.
Thanks for the comment with example. I'll check later.
I rather have it in documentation as comment move to bottom :-/