copy full folder instead of playlist.txt

backend/playout/Dockerfile

@@ -30,7 +30,7 @@ RUN mkdir -p /app/playlist /app/media /app/hls
 
 # Copy demo media and playlist for out-of-the-box playout
 COPY demo-data/media/ /app/media/
-COPY demo-data/playlist/playlist.txt /app/playlist/playlist.txt
+COPY demo-data/playlist/ /app/playlist/
 
 # Expose HLS directory (will be served by nginx)
 VOLUME ["/app/hls"]