adding custom:fold-entity-row

lovelace/home.yaml

@@ -13,14 +13,14 @@ cards:
         show_header_toggle: false
         title: Zigbee
 
-      - type: horizontal-stack
-        cards:
-          - type: light
-            entity: light.fenster_lampen
-          - type: light
-            entity: light.0xec1bbdfffe9cc96e_light
-          - type: light
-            entity: light.0xec1bbdfffe59b929_light
+      - type: entities
+        entities:
+          - light.fenster_lampen
+          - type: custom:fold-entity-row
+            head: light.bed_light
+            entities:
+              - light.0xec1bbdfffe9cc96e_light
+              - light.0xec1bbdfffe59b929_light
 
       - type: horizontal-stack
         cards:

ui-lovelace.yaml

@@ -5,3 +5,5 @@ views:
 resources:
   - url: /community_plugin/weather-card/weather-card.js
     type: module
+    - url: /community_plugin/lovelace-fold-entity-row/fold-entity-row.js
+    type: module