Thanks for the feedback! We have plans to create a tutorial soon and run it virtually during SPLASH/ECOOP'20 [1] (I have to check why the tutorial page is no longer public).
[1] https://web.archive.org/web/20200319123703/https://2020.ecoo...
[1] https://web.archive.org/web/20200319123703/https://2020.ecoo...