feat: implement data management panel and blog data utilities

app/content/page.tsx

@@ -1,17 +1,12 @@
 import { ContentContent } from "@/components/content-content";
 import { YOUTUBE_VIDEO_LINKS } from "@/data/youtube-videos";
-import { getPdfNotes, getPodcastCollections } from "@/lib/content-page";
+import { getPdfNotes } from "@/lib/content-page";
 
 export default async function ContentPage() {
-  const [{ yazilim, masaBasi }, pdfFiles] = await Promise.all([
-    getPodcastCollections(),
-    getPdfNotes(),
-  ]);
+  const pdfFiles = await getPdfNotes();
 
   return (
     <ContentContent
-      yazilimEpisodes={yazilim}
-      masaBasiEpisodes={masaBasi}
       youtubeLinks={YOUTUBE_VIDEO_LINKS}
       pdfFiles={pdfFiles}
     />