Add FOLX STADL videos to the homepage grid

Introduce filtering and conditional rendering in NetflixGrid component to display videos with "FOLX STADL" or "FOLXSTADL" in their titles, adding a new section for them if present.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 074b0e4c-6171-43bd-aa98-f9e04623ca14
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/074b0e4c-6171-43bd-aa98-f9e04623ca14/Sy6XHzr

client/src/components/netflix-grid.tsx

@@ -45,11 +45,20 @@ export default function NetflixGrid({ videos, isLoading }: NetflixGridProps) {
       new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime()
     );
 
+    // FOLX STADL videos
+    const folxStadlVideos = videos.filter(video => 
+      video.title.includes("FOLX STADL") || video.title.includes("FOLXSTADL")
+    );
+
     return [
       {
         title: "Meist Angesehen",
         videos: sortedByViews.slice(0, 10)
       },
+      ...(folxStadlVideos.length > 0 ? [{
+        title: "FOLX STADL",
+        videos: folxStadlVideos.slice(0, 12)
+      }] : []),
       {
         title: "GDL VIDEO",
         videos: (() => {