Fix type file key

Author: muan

package.json

@@ -6,7 +6,7 @@
   "type": "module",
   "main": "dist/index.js",
   "module": "dist/index.js",
-  "types": "index.d.ts",
+  "types": "dist/index.d.ts",
   "scripts": {
     "clean": "rm -rf dist",
     "lint": "github-lint",