Release for iOS (App Store)

[anton-makarevich]

Sub-issue of #76

High-level tasks:

• Configure iOS project in the solution for production build
• Set up Apple Developer account and provisioning profiles
• Create App Store listing (description, screenshots, app preview)
• Configure App Store Connect (metadata, pricing, age rating)
• Set up App Store deployment pipeline (CI/CD with Xcode)
• Test on multiple iOS devices/versions
• Set up crash reporting and analytics
• Configure TestFlight for beta testing
• Ensure iOS Human Interface Guidelines compliance