docs: Adds back Xinyang's cs garden to showcase (#1323)

Xinyang Yu

2024-08-09 12904ab7960edc3bedd77c65cf5e6a5d599d882d

 index.d.ts

@@ -6,6 +6,7 @@
// dom custom event
interface CustomEventMap {
  nav: CustomEvent<{ url: FullSlug }>
  themechange: CustomEvent<{ theme: "light" | "dark" }>
}

declare const fetchData: Promise<ContentIndex>