feat: add salon picture-elements dashboard ...

- Background image: /local/salon1.png
- Clickable icons with labels for 6 lights:
  - Ring (center top) - ID32 DO.2
  - Lampy za kanapą (right top) - ID32 DO.3
  - Lampa przed TV (left top) - ID33 DO.0
  - LED sufit wnęka (top left-center) - ID33 DO.3
  - LED dekoracyjne (center wall) - ID33 DO.2
  - LED (top right-center) - ID33 DO.1
- WSZYSTKIE OFF button (bottom right)
- Fallback entities list card

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>