Update README.md

Author: RimuruDev

README.md

@@ -51,4 +51,4 @@ The package contains two main components:
 - `SetSplashScreenBlack`: This script operates within the Unity editor and automatically sets the Unity Splash Screen to a dark background with the Unity logo in "Light on Dark" style before each project build.
 - `UnitySkipSplashScreen`: This script operates in the built application and skips the Unity Splash Screen at startup, allowing the user to immediately proceed to the main content.
 
- Source -> https://github.com/Jadekylin/UnitySkipSplash
+Old Source -> https://github.com/Jadekylin/UnitySkipSplash