feat: fallback to unsplash cover when article contains no image

routes/api/index.ts

@@ -2,7 +2,7 @@ import { Handlers } from "$fresh/server.ts";
 import { json } from "@lib/helpers.ts";
 
 export const handler: Handlers = {
-  async GET() {
+  GET() {
     return json([]);
   },
 };