feat(player): 保持屏幕常亮并自动恢复播放

ios/Runner/AppDelegate.swift

@@ -20,6 +20,7 @@ final class RunnerFlutterViewController: FlutterViewController {
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
+    UIApplication.shared.isIdleTimerDisabled = true
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }