Update README.md

Author: markbattistella

README.md

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 # ContrastKit
 
-![Languages](https://img.shields.io/badge/Languages-Swift%20|%20SwiftUI%20|%20UIKit%20|%20AppKit-white?labelColor=orange&style=flat)
+![Swift Versions](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fmarkbattistella%2FContrastKit%2Fbadge%3Ftype%3Dswift-versions)
 
-![Platforms](https://img.shields.io/badge/Platforms-iOS%2014+%20|%20iPadOS%2014+%20|%20macOS%2011+%20|%20tvOS%2014+-white?labelColor=gray&style=flat)
+![Platforms](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fmarkbattistella%2FContrastKit%2Fbadge%3Ftype%3Dplatforms)
 
 ![Licence](https://img.shields.io/badge/Licence-MIT-white?labelColor=blue&style=flat)
-
 </div>
 
 **ContrastKit** is a Swift library designed to facilitate colour contrast handling within iOS, iPadOS, macOS, and tvOS applications.