[AltWidget] Refactors widgets into separate files

AltWidget/Model/AppSnapshot.swift

@@ -0,0 +1,41 @@
+//
+//  AppsEntry.swift
+//  AltWidgetExtension
+//
+//  Created by Riley Testut on 8/22/23.
+//  Copyright © 2023 Riley Testut. All rights reserved.
+//
+
+import UIKit
+import WidgetKit
+
+import AltStoreCore
+import AltSign
+
+struct AppSnapshot
+{
+    var name: String
+    var bundleIdentifier: String
+    var expirationDate: Date
+    var refreshedDate: Date
+    
+    var tintColor: UIColor?
+    var icon: UIImage?
+}
+
+extension AppSnapshot
+{
+    // Declared in extension so we retain synthesized initializer.
+    init(installedApp: InstalledApp)
+    {
+        self.name = installedApp.name
+        self.bundleIdentifier = installedApp.bundleIdentifier
+        self.expirationDate = installedApp.expirationDate
+        self.refreshedDate = installedApp.refreshedDate
+        
+        self.tintColor = installedApp.storeApp?.tintColor
+        
+        let application = ALTApplication(fileURL: installedApp.fileURL)
+        self.icon = application?.icon?.resizing(toFill: CGSize(width: 180, height: 180))
+    }
+}