USB 摄像头适配iPadOS17+ios端的配置

packages/usb_camera_android/ios/usb_camera_android.podspec

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+Pod::Spec.new do |s|
+  s.name             = 'usb_camera_android'
+  s.version          = '0.1.0'
+  s.summary          = 'USB UVC camera preview plugin (iOS: iPadOS 17+ external cameras).'
+  s.description      = <<-DESC
+Local plugin for USB UVC camera preview. iOS side uses AVFoundation external
+camera APIs (iPadOS 17+, runtime-guarded). Android side uses UVCAndroid/libuvc.
+                       DESC
+  s.homepage         = 'http://1.95.137.212:59001/IOT/flutterApp'
+  s.license          = { :text => 'Copyright 2026 maibu. All rights reserved.' }
+  s.author           = { 'maibu' => 'dev@maibu.com' }
+  s.source           = { :path => '.' }
+  s.source_files     = 'Classes/**/*'
+  s.dependency 'Flutter'
+  s.platform         = :ios, '12.0'
+  s.swift_version    = '5.0'
+  s.static_framework = true
+
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
+end