add components

.vitepress/theme/index.ts

@@ -2,10 +2,14 @@ import type { Theme } from "vitepress";
 import DefaultTheme from "vitepress/theme";
 import SentenceQuiz from "./components/SentenceQuiz.vue";
 
+import "./custom.css";
+import TOC from "./components/TOC.vue";
+
 export default {
   extends: DefaultTheme,
   enhanceApp({ app }) {
     // register your custom global components
     app.component("SentenceQuiz", SentenceQuiz);
+    app.component("TOC", TOC);
   },
 } satisfies Theme;