Refined readme

Package.swift

@@ -1,5 +1,4 @@
 // swift-tools-version: 5.10
-// The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 

README.md

@@ -1,12 +1,13 @@
-# Doom Wipe transition for SwiftUI
+<img src="Misc/readme-title.png" alt="Doom Wipe transition for SwiftUI" width="726px">
 
 ![SwiftUI](https://img.shields.io/github/v/release/frzi/swiftui-doomwipe?style=for-the-badge)
 [![SwiftUI](https://img.shields.io/badge/SwiftUI-blue.svg?style=for-the-badge&logo=swift&logoColor=black)](https://developer.apple.com/xcode/swiftui)
 [![Swift](https://img.shields.io/badge/Swift-5.10-orange.svg?style=for-the-badge&logo=swift)](https://swift.org)
-[![Xcode](https://img.shields.io/badge/Xcode-15-blue.svg?style=for-the-badge&logo=Xcode&logoColor=white)](https://developer.apple.com/xcode)
 [![MIT](https://img.shields.io/badge/license-MIT-black.svg?style=for-the-badge)](https://opensource.org/licenses/MIT)
 
-A transition for your SwiftUI views that simulates the 1993 classic DOOM screen wipe (the melting effect, you know the one).
+A transition for your SwiftUI views that simulates the 1993 classic DOOM screen wipe (the melting effect, you know the one!)
+
+<img src="Misc/demo.gif" alt="Demonstration">
 
 > [!IMPORTANT]  
 > This transition utilizes SwiftUI 5's [.layerEffect](https://developer.apple.com/documentation/swiftui/view/layereffect(_:maxsampleoffset:isenabled:)). AppKit/UIKit powered views will *not* work. This includes views like `TextField`.

Sources/DoomWipe/DoomWipeShader.swift

@@ -6,8 +6,11 @@
 import Metal
 import SwiftUI
 
+/// Direction of the wipe effect.
 public enum WipeDirection: CGFloat {
+	/// The content flows downwards.
 	case down = 1
+	/// The content flows upwards.
 	case up = -1
 }