adds exports field to package.json

Author: eaulav

package.json

@@ -6,6 +6,10 @@
     "license": "MIT",
     "module": "./dist/index.es.js",
     "types": "./dist/index.d.ts",
+    "exports": {
+        "import": "./dist/index.es.js",
+        "types": "./dist/index.d.ts"
+    },
     "files": [
         "src",
         "dist",