Add unique_id configuration variable to command_line integration (#20031)

source/_integrations/command_line.markdown

@@ -72,6 +72,10 @@ command_timeout:
   required: false
   type: integer
   default: 15
+unique_id:
+  description: An ID that uniquely identifies this binary sensor. Set this to a unique value to allow customization through the UI.
+  required: false
+  type: string
 {% endconfiguration %}
 
 ## Execution

source/_integrations/cover.command_line.markdown

@@ -67,6 +67,10 @@ covers:
           required: false
           type: integer
           default: 15
+        unique_id:
+          description: An ID that uniquely identifies this cover. Set this to a unique value to allow customization through the UI.
+          required: false
+          type: string
 {% endconfiguration %}
 
 ## Examples

source/_integrations/sensor.command_line.markdown

@@ -54,6 +54,10 @@ json_attributes:
   description: Defines a list of keys to extract values from a JSON dictionary result and then set as sensor attributes.
   required: false
   type: [string, list]
+unique_id:
+  description: An ID that uniquely identifies this sensor. Set this to a unique value to allow customization through the UI.
+  required: false
+  type: string
 {% endconfiguration %}
 
 ## Execution

source/_integrations/switch.command_line.markdown

@@ -65,6 +65,10 @@ switches:
           required: false
           type: integer
           default: 15
+        unique_id:
+          description: An ID that uniquely identifies this switch. Set this to a unique value to allow customization through the UI.
+          required: false
+          type: string
 {% endconfiguration %}
 
 A note on `friendly_name`: