Update copyright year in README.md

Author: gerivanc

README.md

@@ -362,4 +362,4 @@ This repository is licensed under the [MIT License](https://github.com/gerivanc/
 ---
 
 #### Copyright © 2025-2026 Gerivan Costa dos Santos
-**XPhrase Generation — Expressive phrases. Strong logic. Minimalist design © 2025**
+**XPhrase Generation — Expressive phrases. Strong logic. Minimalist design © 2026**