Github integration (#6414)

Co-authored-by: Tom Moor <tom.moor@gmail.com>

server/presenters/unfurls/unfurl.ts

@@ -1,12 +1,14 @@
-import { Unfurl } from "@shared/types";
+import { UnfurlResponse } from "@shared/types";
 
-function presentUnfurl(data: any): Unfurl {
+function presentUnfurl(data: any): UnfurlResponse {
   return {
     url: data.url,
     type: data.type,
     title: data.title,
+    createdAt: data.createdAt,
     description: data.description,
     thumbnailUrl: data.thumbnail_url,
+    author: data.author,
     meta: data.meta,
   };
 }