Fix missing comma

Author: Gymnasiast

objects/rct1/ride/rct1.ride.dodgems/object.json

@@ -12,7 +12,7 @@
     "properties": {
         "type": "dodgems",
         "category": "gentle",
-        "clearance": 48
+        "clearance": 48,
         "carsPerFlatRide": 12,
         "carColours": [
             [