Update README.md

Author: ankesh-kumar

README.md

@@ -26,5 +26,10 @@ dependencies:<br/>[flutter_chat](https://pub.dev/packages/flutter_chat)
 
 
 # Support Development
+If you found this project helpful or you learned something from the source code and want to thank me, consider buying me a cup of ☕️
+
 [Be Sponsor](https://github.com/sponsors/ankesh-kumar)<br/>
 [![Sponsor](https://1.bp.blogspot.com/-td3V-ijA4Q8/Xr57GVxCyEI/AAAAAAAAORQ/3u78fEKyYkk6aGx8yO1SzeN4Wo9_mr46ACK4BGAsYHg/icons8-love-64.png)](https://github.com/sponsors/ankesh-kumar)
+
+[PayPal](https://paypal.me/ankeshkumar01)
+