更新版本号至2.0.1，并修改主入口文件为dist/index.js

package.json

@@ -1,8 +1,8 @@
 {
   "name": "utils",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "",
-  "main": "dist/bundle.js",
+  "main": "dist/index.js",
   "type": "module",
   "scripts": {
     "build": "rimraf dist && rollup -c"