frontmatter plugin add

Author: inhwa-s

packages/lexical-website/docusaurus.config.js

@@ -191,6 +191,7 @@ const docusaurusPluginTypedocConfig = {
     './src/plugins/lexical-typedoc-plugin-no-inherit',
     './src/plugins/lexical-typedoc-plugin-module-name',
     'typedoc-plugin-rename-defaults',
+    'typedoc-plugin-frontmatter',
   ],
   sidebar: {
     autoConfiguration: false,