feat v1.36.2: per-source glow radius

- marker.glow_radius_cm overrides the global default per device (field
  in the marker dialog, HA units, placeholder = global default); pools
  and door sectors use the per-source radius
- backend schema; smoke_glow extended (11 checks); docs same-commit

custom_components/houseplan/manifest.json

@@ -16,5 +16,5 @@
   "issue_tracker": "https://github.com/Matysh/houseplan-card/issues",
   "requirements": [],
   "single_config_entry": true,
-  "version": "1.36.1"
+  "version": "1.36.2"
 }