Reorganize AltStore project into UIKit and SwiftUI folders

AltStore/UIKit/Components/AppIconImageView.swift

@@ -0,0 +1,43 @@
+//
+//  AppIconImageView.swift
+//  AltStore
+//
+//  Created by Riley Testut on 5/9/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import UIKit
+
+final class AppIconImageView: UIImageView
+{
+    override func awakeFromNib()
+    {
+        super.awakeFromNib()
+        
+        self.contentMode = .scaleAspectFill
+        self.clipsToBounds = true
+        
+        self.backgroundColor = .white
+                
+        if #available(iOS 13, *)
+        {
+            self.layer.cornerCurve = .continuous
+        }
+        else
+        {
+            if self.layer.responds(to: Selector(("continuousCorners")))
+            {
+                self.layer.setValue(true, forKey: "continuousCorners")
+            }
+        }
+    }
+    
+    override func layoutSubviews()
+    {
+        super.layoutSubviews()
+        
+        // Based off of 60pt icon having 12pt radius.
+        let radius = self.bounds.height / 5
+        self.layer.cornerRadius = radius
+    }
+}