docs: improved webpage

packages/playground/tailwind.config.js

@@ -1,11 +1,15 @@
 /** @type {import('tailwindcss').Config} */
+const path = require('path');
+
 const { nextui } = require('@nextui-org/react');
+const themePath = require.resolve('@nextui-org/theme/package.json');
+const themeDir = path.dirname(themePath);
 
 export default {
   content: [
     './index.html',
     './src/**/*.{js,ts,jsx,tsx}',
-    './node_modules/@nextui-org/theme/dist/**/*.{js,ts,jsx,tsx}',
+    `${themeDir}/dist/**/*.{js,ts,jsx,tsx}`,
   ],
   theme: {
     extend: {},