Update eurom_sani_bathroom_towel_radiator.yaml

Added icons for secondary entities.

custom_components/tuya_local/devices/eurom_sani_bathroom_towel_radiator.yaml

@@ -112,6 +112,7 @@ secondary_entities:
     name: "Surface temperature"
     class: temperature
     category: diagnostic
+    icon: "mdi:thermometer-lines"
     dps:
       - id: 105
         type: integer
@@ -121,6 +122,7 @@ secondary_entities:
     name: "Room temperature"
     class: temperature
     category: diagnostic
+    icon: "mdi:home-thermometer-outline"
     dps:
       - id: 3
         type: integer