Update screenshot and readme for new beta features

Author: andrew-codechimp

README.md

@@ -9,7 +9,8 @@
 [![BuyMeACoffee](https://img.shields.io/badge/-buy_me_a%C2%A0coffee-gray?logo=buy-me-a-coffee&style=for-the-badge)](https://www.buymeacoffee.com/codechimp)
 
 
-Integration to add battery notes to a device, with automatic discovery via a growing battery library for devices
+Integration to add battery notes to a device, with automatic discovery via a growing battery library for devices.  
+Track both the battery type and also when the battery was replaced.  
 
 *Please :star: this repo if you find it useful*