fix: fix ESM module exports, #11

Author: zensh

package.json

@@ -1,7 +1,7 @@
 {
   "name": "xid-ts",
   "type": "module",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "author": "0xZensh <txr1883@gmail.com>",
   "description": "xid is a globally unique id generator thought for the web. A Typescript port of https://github.com/rs/xid.",
   "license": "MIT",
@@ -16,10 +16,16 @@
     "LICENSE",
     "README.md"
   ],
-  "main": "dist/cjs/index",
-  "module": "dist/esm/index",
-  "unpkg": "dist/esm/index",
-  "typings": "dist/esm/index.d.ts",
+  "unpkg": "./dist/esm/index.js",
+  "main": "./dist/cjs/index.js",
+  "module": "./dist/esm/index.js",
+  "exports": {
+    ".": {
+      "import": "./dist/esm/index.js",
+      "require": "./dist/cjs/index.js"
+    }
+  },
+  "typings": "./dist/esm/index.d.ts",
   "browser": {
     "node:crypto": false
   },