Reorganize AltStore project into UIKit and SwiftUI folders

AltStore/SwiftUI/View Extensions/UIView Representables/VisualEffectView.swift

@@ -0,0 +1,28 @@
+//
+//  VisualEffectView.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 01.12.22.
+//  Copyright © 2022 SideStore. All rights reserved.
+//
+
+import SwiftUI
+
+struct VisualEffectView: UIViewRepresentable {
+    let blurStyle: UIBlurEffect.Style
+    
+    func makeUIView(context: Context) -> some UIView {
+        UIVisualEffectView(effect: UIBlurEffect(style: blurStyle))
+    }
+    
+    func updateUIView(_ uiView: UIViewType, context: Context) { }
+}
+
+
+extension View {
+    @ViewBuilder
+    func blurBackground(_ style: UIBlurEffect.Style) -> some View {
+        self
+            .background(VisualEffectView(blurStyle: style))
+    }
+}