Reorganize AltStore project into UIKit and SwiftUI folders

AltStore/SwiftUI/View Extensions/Styles/FilledButtonStyle.swift

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+//
+//  FilledButtonStyle.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 29.11.22.
+//  Copyright © 2022 SideStore. All rights reserved.
+//
+
+import SwiftUI
+
+struct FilledButtonStyle: ButtonStyle {
+    var isLoading: Bool = false
+    
+    func makeBody(configuration: Configuration) -> some View {
+        ZStack {
+            configuration.label
+                .opacity(isLoading ? 0 : 1)
+            
+            if isLoading {
+                ProgressView()
+                    .progressViewStyle(CircularProgressViewStyle())
+            }
+        }
+        .foregroundColor(.white)
+        .multilineTextAlignment(.center)
+        .frame(maxWidth: .infinity)
+        .padding()
+        .background(
+            RoundedRectangle(cornerRadius: 12)
+                .foregroundColor(.accentColor)
+        )
+        .opacity(configuration.isPressed || isLoading ? 0.7 : 1)
+        .disabled(isLoading)
+    }
+}
+
+struct FilledButtonStyle_Previews: PreviewProvider {
+    static var previews: some View {
+        SwiftUI.Button {
+            
+        } label: {
+            Label("Test Button", systemImage: "testtube.2")
+                .buttonStyle(FilledButtonStyle())
+        }
+
+    }
+}

AltStore/SwiftUI/View Extensions/Styles/PillButtonProgressViewStyle.swift

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+//
+//  PillButtonProgressViewStyle.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 22.11.22.
+//  Copyright © 2022 Fabian Thies. All rights reserved.
+//
+
+import SwiftUI
+
+struct PillButtonProgressViewStyle: ProgressViewStyle {
+    let tint: Color
+    
+    func makeBody(configuration: Configuration) -> some View {
+        ZStack(alignment: .leading) {
+            Capsule(style: .continuous)
+                .foregroundColor(tint.opacity(0.15))
+            
+            GeometryReader { proxy in
+                Capsule(style: .continuous)
+//                    .frame(width: proxy.size.width * (configuration.fractionCompleted ?? 0.0))
+                    .foregroundColor(tint)
+                    .offset(x: -proxy.size.width * (1 - (configuration.fractionCompleted ?? 1)))
+            }
+        }
+        .animation(.easeInOut(duration: 0.2))
+    }
+}

AltStore/SwiftUI/View Extensions/Styles/PillButtonStyle.swift

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+//
+//  PillButtonStyle.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 18.11.22.
+//  Copyright © 2022 Fabian Thies. All rights reserved.
+//
+
+import SwiftUI
+
+struct PillButtonStyle: ButtonStyle {
+    
+    let tintColor: UIColor
+    var progress: Progress?
+    
+    func makeBody(configuration: Configuration) -> some View {
+        ZStack {
+            if progress == nil {
+                configuration.label
+                    .opacity(configuration.isPressed ? 0.4 : 1.0)
+            } else {
+                ProgressView()
+                    .progressViewStyle(DefaultProgressViewStyle())
+            }
+        }
+        .frame(minWidth: 40)
+        .padding(.horizontal, 16)
+        .padding(.vertical, 6)
+        .background(background)
+        .foregroundColor(self.progress == nil ? .white : Color(tintColor))
+        .clipShape(Capsule())
+    }
+    
+    var background: some View {
+        ZStack {
+            if let progress {
+                Color(tintColor).opacity(0.15)
+
+                ProgressView(progress)
+                    .progressViewStyle(PillButtonProgressViewStyle(tint: Color(tintColor)))
+            } else {
+                Color(tintColor)
+            }
+        }
+    }
+}
+
+
+struct PillButtonStyle_Previews: PreviewProvider {
+
+    static var previews: some View {
+        SwiftUI.Button {
+
+        } label: {
+            Text("Label").bold()
+        }
+        .buttonStyle(PillButtonStyle(tintColor: Asset.accentColor.color))
+    }
+}