feat(ios): complete iOS test apps setup with plugin integration

Added iOS platform to Vue 3 test app and created standalone iOS test app:

Vue 3 Test App (daily-notification-test):
- Added iOS platform via 'npx cap add ios'
- Created ios/ directory with Xcode project structure
- Added DailyNotificationPlugin to Podfile
- Generated App.xcodeproj and App.xcworkspace

Standalone iOS Test App (ios-test-app):
- Created App structure with Capacitor configuration
- Added DailyNotificationPlugin to Podfile
- Created capacitor.config.json with plugin settings
- Copied test HTML interface (575 lines) from Android test app
- Set up public/ directory for web assets

Plugin Integration:
- Both Podfiles configured with plugin path: '../../../ios'
- Plugin dependencies ready for 'pod install'
- Configuration files created and verified

Documentation:
- Created IOS_TEST_APPS_SETUP_COMPLETE.md with setup details
- Documented next steps for CocoaPods and Xcode building

All command-line setup complete. Ready for:
- pod install (requires CocoaPods)
- Xcode building and testing

test-apps/ios-test-app/App/Podfile

@@ -0,0 +1,20 @@
+require_relative '../../../node_modules/@capacitor/ios/scripts/pods_helpers'
+
+platform :ios, '13.0'
+use_frameworks!
+
+install! 'cocoapods', :disable_input_output_paths => true
+
+def capacitor_pods
+  pod 'Capacitor', :path => '../../../node_modules/@capacitor/ios'
+  pod 'CapacitorCordova', :path => '../../../node_modules/@capacitor/ios'
+  pod 'DailyNotificationPlugin', :path => '../../../ios'
+end
+
+target 'App' do
+  capacitor_pods
+end
+
+post_install do |installer|
+  assertDeploymentTarget(installer)
+end