Revise README for Daily Bots sunset announcement (#2)

Author: mattieruth

README.md

@@ -1,3 +1,6 @@
+> [!Warning]
+> **DAILY BOTS AND ALL ASSOCIATED DEMOS HAVE BEEN SUNSETTED AND REPLACED BY [PIPECAT CLOUD](https://www.daily.co/products/pipecat-cloud/)**
+
 # 🤖 Daily Bots Assistant Demo
 
 An Android voice assistant using the Daily Bots API.
@@ -19,4 +22,4 @@ To run the app you will need a [Daily Bots account](https://bots.daily.co/sign-u
 
 ## Screenshot
 
-<img alt="screenshot" src="files/screenshot.png" width="400px" />
+<img alt="screenshot" src="files/screenshot.png" width="400px" />