Use local and optimized images in gallery (#1506)

gallery/src/demos/demo-hui-entities-card.js

@@ -126,7 +126,7 @@ const CONFIGS = [
       style:
         height: 30px
         margin: 4px 0
-        background: center / contain url("images/divider.png") no-repeat
+        background: center / contain url("/images/divider.png") no-repeat
     `
   },
 ];

gallery/src/demos/demo-hui-picture-entity-card.js

@@ -8,7 +8,7 @@ const CONFIGS = [
     heading: 'State on',
     config: `
 - type: picture-entity
-  image: https://images.pexels.com/photos/1027508/pexels-photo-1027508.jpeg
+  image: /images/kitchen.png
   entity: light.kitchen_lights
     `
   },
@@ -16,7 +16,7 @@ const CONFIGS = [
     heading: 'State off',
     config: `
 - type: picture-entity
-  image: https://images.pexels.com/photos/775219/pexels-photo-775219.jpeg
+  image: /images/bed.png
   entity: light.bed_light
     `
   },
@@ -24,7 +24,7 @@ const CONFIGS = [
     heading: 'Entity unavailable',
     config: `
 - type: picture-entity
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   entity: light.non_existing
     `
   },
@@ -39,7 +39,7 @@ const CONFIGS = [
     heading: 'Hidden info',
     config: `
 - type: picture-entity
-  image: https://images.pexels.com/photos/1027508/pexels-photo-1027508.jpeg
+  image: /images/kitchen.png
   entity: light.kitchen_lights
   show_info: false
     `

gallery/src/demos/demo-hui-picture-glance-card.js

@@ -8,7 +8,7 @@ const CONFIGS = [
     heading: 'Title, dialog, toggle',
     config: `
 - type: picture-glance
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   title: Living room
   entities:
     - switch.decorative_lights
@@ -21,7 +21,7 @@ const CONFIGS = [
     heading: 'Title, dialog, no toggle',
     config: `
 - type: picture-glance
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   title: Living room
   entities:
     - binary_sensor.movement_backyard
@@ -32,7 +32,7 @@ const CONFIGS = [
     heading: 'Title, no dialog, toggle',
     config: `
 - type: picture-glance
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   title: Living room
   entities:
     - switch.decorative_lights
@@ -43,7 +43,7 @@ const CONFIGS = [
     heading: 'No title, dialog, toggle',
     config: `
 - type: picture-glance
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   entities:
     - switch.decorative_lights
     - light.ceiling_lights
@@ -55,7 +55,7 @@ const CONFIGS = [
     heading: 'No title, dialog, no toggle',
     config: `
 - type: picture-glance
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   entities:
     - binary_sensor.movement_backyard
     - binary_sensor.basement_floor_wet
@@ -65,7 +65,7 @@ const CONFIGS = [
     heading: 'No title, no dialog, toggle',
     config: `
 - type: picture-glance
-  image: https://images.pexels.com/photos/276724/pexels-photo-276724.jpeg
+  image: /images/living_room.png
   entities:
     - switch.decorative_lights
     - light.ceiling_lights

gallery/src/demos/demo-hui-stack-card.js

@@ -10,7 +10,7 @@ const CONFIGS = [
 - type: vertical-stack
   cards:
     - type: picture-entity
-      image: https://images.pexels.com/photos/1027508/pexels-photo-1027508.jpeg
+      image: /images/kitchen.png
       entity: light.kitchen_lights
     - type: glance
       entities:
@@ -25,7 +25,7 @@ const CONFIGS = [
 - type: horizontal-stack
   cards:
     - type: picture-entity
-      image: https://images.pexels.com/photos/1027508/pexels-photo-1027508.jpeg
+      image: /images/kitchen.png
       entity: light.kitchen_lights
     - type: glance
       entities:
@@ -42,7 +42,7 @@ const CONFIGS = [
     - type: horizontal-stack
       cards:
         - type: picture-entity
-          image: https://images.pexels.com/photos/1027508/pexels-photo-1027508.jpeg
+          image: /images/kitchen.png
           entity: light.kitchen_lights
         - type: glance
           entities:
@@ -50,7 +50,7 @@ const CONFIGS = [
             - device_tracker.demo_home_boy
             - device_tracker.demo_paulus
     - type: picture-entity
-      image: https://images.pexels.com/photos/775219/pexels-photo-775219.jpeg
+      image: /images/bed.png
       entity: light.bed_light
     `
   },