add code-oss compatibility notes and roku tv remote control template

hardware/graduated/home-assistant/README.md

@@ -8,6 +8,8 @@
     - [Relative Humidity Calculator](#relative-humidity-calculator)
     - [Font Colors](#font-colors)
     - [Light Indicator for Voice Assistant](#light-indicator-for-voice-assistant)
+    - [Blank Button (Spacer)](#blank-button-spacer)
+    - [Roku Remote](#roku-remote)
 
 ## Setup and Configuration
 
@@ -110,4 +112,224 @@ actions:
       entity_id: scene.bedroombeforescene
       transition: 0.25
 mode: single
+```
+
+### Blank Button (Spacer)
+
+```yaml
+- type: button
+tap_action:
+    action: none
+show_state: false
+show_name: false
+show_icon: false
+hold_action:
+    action: none
+```
+
+### Roku Remote
+
+```yaml
+type: vertical-stack
+cards:
+  - type: entity
+    entity: select.left_living_room_application
+  - square: true
+    type: grid
+    cards:
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: power
+        entity: remote.left_living_room
+        icon: mdi:power
+        name: power
+        show_state: false
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: volume_down
+        entity: remote.left_living_room
+        icon: mdi:volume-minus
+        name: volume down / hold mute
+        show_state: false
+        hold_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: volume_mute
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: volume_up
+        entity: remote.left_living_room
+        icon: mdi:volume-plus
+        name: volume up / hold mute
+        show_state: false
+        "hold_action:":
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: volume_mute
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: back
+        entity: remote.left_living_room
+        icon: mdi:undo
+        name: back
+        show_state: false
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: up
+        entity: remote.left_living_room
+        icon: mdi:arrow-up-bold
+        name: up
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: home
+        entity: remote.left_living_room
+        icon: mdi:home
+        name: home
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: left
+        entity: remote.left_living_room
+        icon: mdi:arrow-left-bold
+        name: left
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: select
+        entity: remote.left_living_room
+        icon: mdi:select-all
+        name: select
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: right
+        entity: remote.left_living_room
+        icon: mdi:arrow-right-bold
+        name: right
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: play
+        entity: remote.left_living_room
+        icon: mdi:play-pause
+        name: play/pause
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: down
+        entity: remote.left_living_room
+        icon: mdi:arrow-down-bold
+        name: down
+        hold_action:
+          action: none
+      - show_name: true
+        show_icon: true
+        type: button
+        tap_action:
+          action: perform-action
+          perform_action: remote.send_command
+          target:
+            entity_id: remote.left_living_room
+          data:
+            command: info
+        entity: remote.left_living_room
+        icon: mdi:wrench
+        name: settings
+        hold_action:
+          action: none
+title: Left Living Room TV
 ```