fix package exports

Author: Leo Zurbriggen

package.json

@@ -81,12 +81,12 @@
     "vue-tsc": "^2.0.29"
   },
   "exports": {
-    "require": "./dist/index.js",
-    "import": "./dist/index.mjs",
+    "require": "./dist/index.cjs",
+    "import": "./dist/index.js",
     "types": "./dist/index.d.ts"
   },
-  "main": "dist/index.js",
-  "module": "dist/index.mjs",
+  "main": "dist/index.cjs",
+  "module": "dist/index.js",
   "types": "./dist/index.d.ts",
   "files": [
     "dist",