fix(readme): correct badge URL typo in Hacktoberfest badge

Fixes #82 - Changed 'bhackthebox' to 'badge' in the Hacktoberfest badge URL

Author: sh13y

README.md

@@ -2,7 +2,7 @@
 
 [Join WhatsApp channel for any doubts](https://chat.whatsapp.com/BfBWJhy4xj3CJFSGE2qBrL)
 
-![Hacktoberfest](https://img.shields.io/badge/Hacktoberfest-2025-blueviolet?style=for-the-bhackthebox)  
+![Hacktoberfest](https://img.shields.io/badge/Hacktoberfest-2025-blueviolet?style=for-the-badge)  
 ![Open Source](https://img.shields.io/badge/Open--Source-💻-success?style=for-the-badge)  
 ![Contributions Welcome](https://img.shields.io/badge/Contributions-Welcome-brightgreen?style=for-the-badge&logo=github)