update package

Author: bluebill1049

index.js

@@ -0,0 +1,7 @@
+if (process.env.NODE_ENV === 'production') {
+  module.exports = {
+    DevTool: () => null,
+  }
+} else {
+  module.exports = require('./dist/react-hook-form-devtools.js')
+}

package.json

@@ -2,8 +2,7 @@
   "name": "react-hook-form-devtools",
   "version": "2.0.0",
   "description": "React Hook Form dev tool to help debugging forms",
-  "main": "dist/react-hook-form-devtools.js",
-  "module": "dist/react-hook-form-devtools.es.js",
+  "main": "index.js",
   "types": "dist/index.d.ts",
   "repository": "git@github.com:react-hook-form/react-hook-form-devtools.git",
   "author": "bluebill1049 <bluebill1049@hotmail.com>",