Dashboard Studio 1.5.0: conditional widgets, appliance card, multi-player media

- Visibility conditions on every widget (is / is not / above / below,
  all or any); rows that only held hidden widgets close up in view mode
- Appliance card for washer, dryer and dishwasher: status or power
  based, time left, ready time, progress and program; hides when off
- Media card controls several players with a switcher and album art
- Dutch translations and docs for the new features

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

dashboard_studio/config.yaml

@@ -1,5 +1,5 @@
 name: Dashboard Studio
-version: "1.4.0"
+version: "1.5.0"
 slug: dashboard_studio
 description: Drag-and-drop dashboard builder with a free-form grid, live entity widgets and themes.
 url: https://git.melvanveen.nl/veenm/ha-dashboard-studio