Add more examples. (#2979)

Closes ##2687

source/_components/feedreader.markdown

@@ -22,6 +22,7 @@ feedreader:
   urls:
     - https://home-assistant.io/atom.xml
     - https://github.com/blog.atom
+    - https://hasspodcast.io/feed/podcast
 ```
 
 Configuration variables:
@@ -48,13 +49,17 @@ automation:
       platform: event
       event_type: feedreader
     action:
-      service: notify.notify
-      data_template: "{{ trigger.event.data.title }}"
+      service: persistent_notification.create
+      data_template:
+        title: "New HA Podcast available"
+        message: "New Podcast available - {{ as_timestamp(now()) | timestamp_custom('%I:%M:%S %p %d%b%Y', true) }}"
+        notification_id: "{{ trigger.event.data.title }}"
 ```
 
 *Any field under the `<entry>` tag in the feed can be used for example `trigger.event.data.content` will get the body of the feed entry.
 
 For more advanced use cases, a custom component registering to the `feedreader` event type could be used instead:
+For a drop in packaged complete example of Feedreader, you can use the [PodCast notifier](https://github.com/CCOSTAN/Home-AssistantConfig/blob/master/packages/hasspodcast.yaml). 
 
 ```python
 EVENT_FEEDREADER = "feedreader"