feat: add screenshot to UI

Author: miguelms95

README.md

@@ -2,4 +2,6 @@
 
 Uses Sanctus library to display content: [breviarium.es/sanctus](https://breviarium.es/sanctus/)
 
-This project is part of [Breviarium Project](https://breviarium.es/).
+<img width="963" alt="image" src="https://github.com/user-attachments/assets/05b1b376-1ec8-4213-a2b1-b4d0f594cd8f" />
+
+This project is part of [Breviarium Project](https://breviarium.es/).