Add Pooja guides and Premium trial

[gohlerdev]

Summary

• add 12 sourced, offline, tradition-aware Pooja Vidhis with search, materials, guided steps, safety boundaries, and accessibility support
• add verified StoreKit 2 Premium access with monthly and annual products, restore purchases, eligibility-aware 14-day trial messaging, and App Intent enforcement
• publish privacy, terms, and support pages and document App Store Connect release configuration
• bump release build to 1.0 (5)

Verification

• 48 native tests passed on iPhone 17 / iOS 26.5
• Xcode static analyzer passed
• Debug build-for-testing passed
• Release simulator build passed
• Release generic-device build passed
• signed archive produced with matching app/dSYM UUID, privacy manifest, and no bundled StoreKit fixture
• GitHub Pages deployment passed; all public policy URLs return HTTPS 200