fix(sites): integrate shared download access and register synced adapters

packages/adapters/src/sites/index.ts

@@ -150,6 +150,9 @@ export {
   type SitePromotion,
   type SiteRelease,
   type SiteReleaseDetail,
+  type SiteSubtitle,
+  type SiteSubtitleFile,
+  type SiteSubtitlePage,
   staticSecretResolver,
 } from "./types.ts";
 export * from "./user-parsers/index.ts";