feat(config): set route base path to root for documentation

Author: phodal

docusaurus.config.ts

@@ -26,6 +26,7 @@ const config = {
       /** @type {import('@docusaurus/preset-classic').Options} */
       ({
         docs: {
+          routeBasePath: '/',
           sidebarPath: './sidebars.js',
           // Please change this to your repo.
           // Remove this to remove the "edit this page" links.