Update README.md

Author: dmcrider

README.md

@@ -7,7 +7,7 @@
 
 A lightweight, cross-platform desktop application that makes creating and managing Git aliases simple and intuitive. Built with Rust + Tauri for native performance and React for a modern UI.
 
-![Git Alias Generator Screenshot](https://via.placeholder.com/800x500/f8f9fa/343a40?text=Git+Alias+Generator+Screenshot)
+<img width="1480" height="1090" alt="image" src="https://github.com/user-attachments/assets/e166db1e-e292-43bd-91e6-734176e40767" />
 
 ## ✨ Features