Add featured sponsors in README

Author: faisalman

README.md

@@ -1,3 +1,9 @@
+#### Featured Sponsors
+
+[![https://ref.wisprflow.ai/Rxj3n8H](https://github.com/user-attachments/assets/e39fc98d-5d1b-4f7b-a355-4648e1f79a94)](https://ref.wisprflow.ai/Rxj3n8H)
+
+---
+
 [![https://uaparser.dev](https://raw.githubusercontent.com/faisalman/ua-parser-js/gh-pages/images/uap-header.png)](https://uaparser.dev)
 [![https://uaparser.dev](https://github.com/user-attachments/assets/9f30f3d4-5cfe-441c-8f86-ead7c955f940)](https://uaparser.dev)
 [![https://uaparser.dev](https://github.com/user-attachments/assets/50da50fc-7c8a-46e3-a2bc-6a8249914372)](https://uaparser.dev)