Fix: Onboarding with vertical scroll

[destucr]

🎯 Summary

This PR introduces a splash screen, updates onboarding/UI assets, adjusts project configuration, and improves localization. It adds a new SplashScreenView, updates background assets, references third-party frameworks, updates the development team in build settings, and refines onboarding strings.

✨ Features/Changes

• Added new splash screen flow (SplashScreenView) and integrated it into tinyApp.swift
• Updated OrbLiveListenView background to use backgroundPurple
• Added multiple new onboarding/UI assets (backgroundPurple, bgPurpleOnboarding, bgSplashScreen, lineOnboarding, onboardingShareMood, titleSplashScreen, yellowHeart)
• Added references to third-party frameworks: AudioKit, AudioKitEX, Orb
• Updated development team ID to 6PN64DQKLX in build settings
• Added a shared Xcode scheme
• Improved onboarding and feature descriptions in localization files
• Removed unnecessary call to showListeningTutorialIfNeeded() in double-tap gesture

📁 Files Changed

• tinyApp.swift – Integrated the new splash screen flow
• SplashScreenView.swift – Added new splash screen implementation
• OrbLiveListenView.swift – Updated background image reference
• Assets.xcassets/* – Added new UI and onboarding image assets
• project.pbxproj – Added framework references, updated team ID, added shared scheme
• Localizable.xcstrings – Updated/added onboarding and feature description strings

🔧 Usage Examples (if applicable)

// Example usage
// SplashScreenView is now automatically shown on launch via tinyApp.swift
struct tinyApp: App {
    var body: some Scene {
        WindowGroup {
            SplashScreenView() // transitions into main content
        }
    }
}