Thanks for flagging. Just fixed this.
Grafana is intentionally not included by default -- but it takes a few minutes to set it up. We're still trying to figure out what to bundle by default in terms of UI -- for now it's API only.
No worries. I am going to test it as we are looking for a simple centralized tool for multiple customers to run reporting on events. Most tools have been too complex to setup and yours is promising.