Fix broken links

docusaurus.config.js

@@ -33,7 +33,7 @@ const config = {
       /** @type {import('@docusaurus/preset-classic').Options} */
       ({
         docs: {
-          routeBasePath: '/', // serve the docs at the site's route
+          // routeBasePath: '/', // serve the docs at the site's route
 
           sidebarPath: require.resolve('./sidebars.js'),
           // Please change this to your repo.
@@ -89,7 +89,7 @@ const config = {
             items: [
               {
                 label: 'Research Graph',
-                to: '/docs/category/research-graph',
+                to: '/docs/intro',
               },
             ],
           },

src/pages/index.js

@@ -17,7 +17,7 @@ function HomepageHeader() {
         <div className={styles.buttons}>
           <Link
             className="button button--secondary button--lg"
-            to="intro">
+            to="docs/intro">
             Get started {/*- 5min ⏱️*/}
           </Link>
         </div>