Added lazy loading to plotlywidget

Author: pragyagarg642

packages/javascript/plotlywidget/package.json

@@ -23,7 +23,7 @@
   ],
   "scripts": {
     "build": "webpack",
-    "clean": "rimraf dist/ && rimraf  ../../python/plotly/plotlywidget/static'",
+    "clean": "rimraf dist/ && rimraf  ../../python/plotly/plotlywidget/static",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "devDependencies": {