feat: add initial recommendation data

routes/api/series/[name].ts

@@ -42,7 +42,7 @@ export const handler: Handlers = {
       await createDocument(finalPath, poster);
     }
 
-    const metadata = {} as Series["meta"];
+    const metadata = { tmdbId } as Series["meta"];
     if (releaseDate) {
       metadata.date = new Date(releaseDate);
     }