docs: update UI components reference with Priority 4 and 5
Add documentation for all new e-commerce macros:
Priority 4 - Navigation & Discovery:
- Category Navigation: category_nav, mega_menu, mobile_category_drawer
- Breadcrumbs: breadcrumbs with variants and schema.org markup
- Search Bar: search_bar, search_autocomplete, mobile_search
- Filter Sidebar: filter_sidebar, price_filter, rating_filter, sort_dropdown
Priority 5 - Social Proof & Trust:
- Star Rating: star_rating, rating_input, rating_summary, compact_rating
- Reviews: review_card, review_list, review_form, review_summary_section
- Trust Badges: trust_badges, trust_banner, payment_icons, guarantee_badge,
security_seals, checkout_trust_section
Also adds Alpine.js state variables for reviews and ratings.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Samir Boulahtit
00857752cd