docs: add basePath for GitHub Pages deployment

Author: prosdev

docs/next.config.js

@@ -4,8 +4,12 @@ const withNextra = require('nextra')({
   themeConfig: './theme.config.tsx',
 });
 
+const isProduction = process.env.NODE_ENV === 'production';
+const basePath = isProduction ? '/experience-sdk' : '';
+
 module.exports = withNextra({
   output: 'export',
+  basePath,
   images: {
     unoptimized: true,
   },