Breeder iOS handoff

Bundle id:
com.local.breeder.ios

Minimum iOS:
iOS 16.0

What changed:
- Added in-app Stories storage to the shared Breeder web app.
- Added Stories button in the Breeder toolbar.
- Exporting a game saves a playable Story to IndexedDB.
- iOS shell defaults game targets to iPhone and skips browser download.
- Added iOS touch move buttons on storyboard cards.
- Added SwiftUI/WKWebView iOS wrapper under Breeder/iOS/BreederIOS.

Mac build:
cd Breeder/iOS/BreederIOS
APPLE_TEAM_ID=YOURTEAMID ./build_ipa_on_mac.sh

If Xcode complains:
- Open BreederIOS.xcodeproj.
- Pick target BreederIOS.
- Set Team under Signing & Capabilities.
- Product > Archive.
- Export as Development or Ad Hoc depending on how you sideload.

To resync web code into iOS:
Run Breeder/iOS/Sync Breeder Web To iOS.ps1 from Windows, or copy Breeder/index.html and Breeder/src into Breeder/iOS/BreederIOS/BreederIOS/app on Mac.