add group color picker for lamps

etc/config/configuration.yaml

@@ -78,6 +78,7 @@ yeelight:
 circadian_lighting:
 switch:
   - platform: circadian_lighting
+    name: Circadian lighting
     lights_ct:
       - light.room_unit0
       - light.room_unit1
@@ -87,3 +88,16 @@ switch:
       - light.room_unit5
       - light.room_unit6
       - light.room_unit7
+
+light:
+  - platform: group
+    name: General group
+    entities:
+      - light.room_unit0
+      - light.room_unit1
+      - light.room_unit2
+      - light.room_unit3
+      - light.room_unit4
+      - light.room_unit5
+      - light.room_unit6
+      - light.room_unit7