Update README.md

Author: INTJ-boy

README.md

@@ -26,3 +26,7 @@ Plain HTML/CSS/JavaScript. No build step, no dependencies. Deploy anywhere that
 ## License / Contact
 
 Free to use. Questions or feedback: use the in-app contact form, or reach out on [LinkedIn](https://www.linkedin.com/in/zekraouirabahallaaeddine).
+
+© 2026 Zekraoui Rabah Allaa Eddine🦑. 
+All Rights Reserved.
+Unauthorized copying, reproduction, modification, redistribution, or commercial use of this project or its source code is prohibited. For permission, licensing, or other inquiries, contact the copyright holder.