message: update sitemap config
diff: /** @type {import('next-sitemap').IConfig} */
  module.exports = {
  - siteUrl: 'https://searchkit.co',
  + siteUrl: 'https://www.searchkit.co',
  generateRobotsTxt: true, // (optional)
  // ...other options
  }
  \ No newline at end of file
  