feat v1.22.0: presence ripples, per-device icon size/rotation, one-click HACS badge

Visuals borrowed from easy-floorplan (github.com/nicosandller/easy-floorplan), model kept ours.
isActiveState is independent of the live_states toggle; unavailable/unknown count as idle.
Honours prefers-reduced-motion. Badges scale with --dev-size. +1 test (74).

custom_components/houseplan/manifest.json

@@ -16,5 +16,5 @@
   "issue_tracker": "https://github.com/Matysh/houseplan-card/issues",
   "requirements": [],
   "single_config_entry": true,
-  "version": "1.21.3"
+  "version": "1.22.0"
 }