Adding sonifications endpoint

routes/services/invisiblepuzzle/invisiblepuzzle.js

@@ -309,6 +309,7 @@ router.get('/sonifications/bylevel', function(req, res, next) {
                 $match: {
                     "appdata.appname" : "Invisible Puzzle",
                     "userdata.event" : "exploration",
+                    "appdata.voiceover": true,
                     "debug" : false
                 }
             },