Market site-to-iOS workflow and tools

[JasonColapietro]

Summary

• Reposition the README around turning any website into an App Store-ready iOS app
• Add a stronger Suede/Jason proof section and clone/run CTA
• Add 14 focused Claude slash-command tools for website-to-app conversion, release readiness, privacy, payments, store assets, and submission gates

Verification

• python3 scripts/validate_skill_pack.py .
• python3 scripts/validate_app_store_metadata.py templates/app-store-metadata
• bash -n scripts/take_ios_screenshots.sh
• python3 -m py_compile scripts/audit_site_for_ios.py scripts/validate_skill_pack.py scripts/validate_app_store_metadata.py