docosaurus throw error on broken links

Author: vaclav-ssvlabs

docusaurus.config.ts

@@ -117,3 +117,9 @@ const config: Config = {
 };
 
 export default config;
+// docusaurus.config.js
+module.exports = {
+  onBrokenLinks: 'throw',
+  onBrokenAnchors: 'throw',
+  onBrokenMarkdownLinks: 'throw',
+};