Add Iced URL (#58)

* Add Iced URL

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: OpenSauce

README.md

@@ -9,7 +9,7 @@ A guitar amp simulator built in Rust using JACK.
 - Impulse response (IR) cabinet simulation
 - Preset management system
 - Real-time recording capability
-- Cross-platform GUI using Iced
+- GUI using [Iced](https://github.com/iced-rs/iced)
 
 ## Requirements