Fix package.json for NodeJS 16+ compliance

Author: Septh

package.json

@@ -36,8 +36,7 @@
     "!dist/**/*.map"
   ],
   "type": "module",
-  "main": "./dist/index.js",
-  "types": "./dist/index.d.ts",
+  "exports": "./dist/index.js",
   "scripts": {
     "build": "tsc",
     "watch": "tsc -w",