[Chore] #185 - AppDelegate에 final 키워드 추가

Author: OneTen19

Neki-iOS/APP/Sources/Application/AppDelegate.swift

@@ -8,7 +8,7 @@
 import SwiftUI
 import FirebaseCore
 
-class AppDelegate: NSObject, UIApplicationDelegate {
+final class AppDelegate: NSObject, UIApplicationDelegate {
   func application(_ application: UIApplication,
                    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
     FirebaseApp.configure()