I am currently in the process of adding a new Rockon into the registry. This includes testing it out locally which means modifying the JSON config file, then pressing the Update button in the WebUI. Multiple times.
The excellent thing about the current Rockon discovery is that you get a nice, informative error message, when there is, say, a syntax error in the JSON file.
When the Rockon was loaded successfully, there is nothing.
Therefore I suggest a notification of some kind, that would (at least) notify the user with the list of newly loaded Rockons.