fix(ios): запуск на iOS — MapKit, ключ из xcconfig, CocoaPods

- AppDelegate: YMKMapKit до super, регистрация плагинов по шаблону Flutter 3.41
- Info.plist: YandexMapKitApiKey из $(YANDEX_MAPKIT_API_KEY)
- Debug/Release/Profile.xcconfig: ключ, include Pods и опциональный Secrets
- Podfile, workspace, pbxproj; .gitignore для Secrets.xcconfig, пример Secrets
- ios/README.md

ios/Runner/AppDelegate.swift

@@ -1,13 +1,29 @@
 import Flutter
 import UIKit
+import YandexMapsMobile
 
 @main
-@objc class AppDelegate: FlutterAppDelegate {
+@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
   override func application(
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
-    GeneratedPluginRegistrant.register(with: self)
+    let apiKey =
+      (Bundle.main.object(forInfoDictionaryKey: "YandexMapKitApiKey") as? String ?? "")
+      .trimmingCharacters(in: .whitespacesAndNewlines)
+    #if DEBUG
+    if apiKey.isEmpty || apiKey.contains("$(") {
+      assertionFailure(
+        "YandexMapKitApiKey пустой или не подставился из xcconfig — проверь YANDEX_MAPKIT_API_KEY в ios/Flutter/*.xcconfig"
+      )
+    }
+    #endif
+    YMKMapKit.setLocale(Locale.current.identifier)
+    YMKMapKit.setApiKey(apiKey)
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
+
+  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
+    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
+  }
 }

ios/Runner/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>
@@ -24,6 +26,29 @@
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneClassName</key>
+					<string>UIWindowScene</string>
+					<key>UISceneConfigurationName</key>
+					<string>flutter</string>
+					<key>UISceneDelegateClassName</key>
+					<string>FlutterSceneDelegate</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
@@ -41,9 +66,7 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
+	<key>YandexMapKitApiKey</key>
+	<string>$(YANDEX_MAPKIT_API_KEY)</string>
 </dict>
 </plist>