fix: mount config.yaml at correct path for FileBrowser Quantum

FileBrowser reads config.yaml from its working directory
(/home/filebrowser/), not from the data subdirectory.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

controller/internal/web/handlers.go

@@ -1350,7 +1350,7 @@ services:
       - TZ=Europe/Budapest
     volumes:
       - filebrowser_data:/home/filebrowser/data
-      - ./config.yaml:/home/filebrowser/data/config.yaml:ro%s
+      - ./config.yaml:/home/filebrowser/config.yaml:ro%s
     networks:
       - traefik-public
     deploy: