fixed tailwind.config.js module not found

Author: chaoming

content/core/getting-started/_index.md

@@ -70,7 +70,7 @@ npx tailwindcss init
 Update `tailwind.config.js`:
 ```javascript
 /** @type {import('tailwindcss').Config} */
-module.exports = {
+export default {
   content: [
     "./src/**/*.{js,jsx,ts,tsx}",
     "./node_modules/@fireact.dev/core/dist/**/*.{js,mjs}"