Updated harmony configuration to use configuration variables (#6622)

source/_components/remote.harmony.markdown

@@ -43,15 +43,31 @@ You can override some default configuration values on a discovered hub (e.g., th
     activity: Watch TV
 ```
 
-Configuration variables:
+{% configuration %}
+name:
+  description: The hub's name to display in the frontend. This name must match the name you have set on the Hub.
+  required: true
+  type: string
+host:
+  description: The Harmony device's IP address. Leave empty for the IP to be discovered automatically.
+  required: false
+  type: string
+port:
+  description: The Harmony device's port.
+  required: false
+  type: integer
+  default: 5222
+activity:
+  description: Activity to use when `turn_on` service is called without any data. Overrides the `activity` setting for this discovered hub.
+  required: false
+  type: string
+delay_secs:
+  description: Default duration in seconds between sending commands to a device.
+  required: false
+  type: float
+{% endconfiguration %}
 
-- **name** (*Required*): The hub's name to display in the frontend. This name must match the name you have set on the Hub.
+### {% linkable_title Configuration file %}
-- **host** (*Optional*): The Harmony device's IP address. Leave empty for the IP to be discovered automatically.
-- **port** (*Optional*): The Harmony device's port. Defaults to 5222.
-- **activity** (*Optional*): Activity to use when `turn_on` service is called without any data. Overrides the `activity` setting for this discovered hub.
-- **delay_secs** (*Optional*): Default duration in seconds between sending commands to a device.
-
-Configuration file:
 
 Upon startup one file will be written to your Home Assistant configuration directory per device in the following format: `harmony_REMOTENAME.conf`. The file will contain: