Add config flow to pushover documentation (#23813)

source/_integrations/pushover.markdown

@@ -4,11 +4,14 @@ description: Instructions on how to add Pushover notifications to Home Assistant
 ha_category:
   - Notifications
 ha_release: pre 0.7
+ha_config_flow: true
 ha_iot_class: Cloud Push
 ha_domain: pushover
 ha_platforms:
   - notify
 ha_integration_type: integration
+ha_codeowners:
+  - '@engrbm87'
 ---
 
 The [Pushover service](https://pushover.net/) is a platform for the notify component. This allows integrations to send messages to the user using Pushover.
@@ -17,32 +20,7 @@ The [Pushover service](https://pushover.net/) is a platform for the notify compo
 
 In order to get an API key you need to [register an application](https://pushover.net/apps/clone/home_assistant) on the Pushover website. Your Pushover user key can be found on the [Pushover dashboard](https://pushover.net/dashboard).
 
-To use Pushover notifications, add the following to your `configuration.yaml` file:
-
-```yaml
-# Example configuration.yaml entry
-notify:
-  - name: NOTIFIER_NAME
-    platform: pushover
-    api_key: YOUR_API_KEY
-    user_key: YOUR_USER_KEY
-```
-
-{% configuration %}
-name:
-  description: Setting the optional parameter `name` allows multiple notifiers to be created. The notifier will bind to the service `notify.NOTIFIER_NAME`.
-  required: false
-  default: notify
-  type: string
-api_key:
-  description: Your API key.
-  required: true
-  type: string
-user_key:
-  description: Your user key for Pushover.
-  required: true
-  type: string
-{% endconfiguration %}
+{% include integrations/config_flow.md %}
 
 Example Automation: