Fix package.json

Author: zsusac

package.json

@@ -4,7 +4,7 @@
   "description": "Small react component for converting and downloading HTML table to Excel file",
   "main": "index.js",
   "scripts": {
-    "build": "./node_modules/.bin/babel helloworld.js -o index.js",
+    "build": "./node_modules/.bin/babel ./src/ReactHTMLTableToExcel.jsx -o index.js",
     "prepublish": "npm run build"
   },
   "repository": {