docs: auto expand sidebar (#83)

* docs: auto expand sidebar

* docs: do not collapse sidebar groups

use default sidebar

Author: timonback

docusaurus.config.js

@@ -23,8 +23,8 @@ const config = {
       /** @type {import('@docusaurus/preset-classic').Options} */
       ({
         docs: {
-          sidebarPath: require.resolve('./sidebars.js'),
           editUrl: 'https://github.com/springwolf/springwolf.github.io/edit/master/',
+          sidebarCollapsed: false,
         },
         theme: {
           customCss: require.resolve('./src/css/custom.css'),