Create swift package

Sources/SideStoreCore/Model/AppID.swift

@@ -0,0 +1,47 @@
+//
+//  AppID.swift
+//  AltStore
+//
+//  Created by Riley Testut on 1/27/20.
+//  Copyright © 2020 Riley Testut. All rights reserved.
+//
+
+import CoreData
+import Foundation
+
+import AltSign
+
+@objc(AppID)
+public class AppID: NSManagedObject, Fetchable {
+    /* Properties */
+    @NSManaged public var name: String
+    @NSManaged public var identifier: String
+    @NSManaged public var bundleIdentifier: String
+    @NSManaged public var features: [ALTFeature: Any]
+    @NSManaged public var expirationDate: Date?
+
+    /* Relationships */
+    @NSManaged public private(set) var team: Team?
+
+    override private init(entity: NSEntityDescription, insertInto context: NSManagedObjectContext?) {
+        super.init(entity: entity, insertInto: context)
+    }
+
+    public init(_ appID: ALTAppID, team: Team, context: NSManagedObjectContext) {
+        super.init(entity: AppID.entity(), insertInto: context)
+
+        name = appID.name
+        identifier = appID.identifier
+        bundleIdentifier = appID.bundleIdentifier
+        features = appID.features
+        expirationDate = appID.expirationDate
+
+        self.team = team
+    }
+}
+
+public extension AppID {
+    @nonobjc class func fetchRequest() -> NSFetchRequest<AppID> {
+        NSFetchRequest<AppID>(entityName: "AppID")
+    }
+}