missing comma...

dist/preview release/inspector/package.json

@@ -34,7 +34,7 @@
         "babylonjs-loaders": "4.2.0-alpha.18",
         "babylonjs-materials": "4.2.0-alpha.18",
         "babylonjs-serializers": "4.2.0-alpha.18",
-        "babylonjs-gltf2interface": "4.2.0-alpha.18"
+        "babylonjs-gltf2interface": "4.2.0-alpha.18",
         "@types/react": "~16.7.3",
         "@types/react-dom": "~16.0.9"
     },