docs: reframe README with shop as primary feature

The shop is the product; the theme editor is a feature.
Reorder features section to lead with "The Shop" before
"Theme Editor".

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -1,12 +1,23 @@
 # SimpleshopTheme
 
-A customisable e-commerce theme system built with Phoenix LiveView. Designed for print-on-demand sellers who want beautiful, professional shops without design expertise.
+A beautiful, customisable e-commerce storefront built with Phoenix LiveView. Designed for print-on-demand sellers who want professional shops without design expertise.
 
 ## Features
 
+### The Shop
+A complete storefront with all the pages you need:
+- **Home** - Hero banner, category navigation, featured products, testimonials
+- **Products** - Grid layout with hover effects and filtering
+- **Product Detail** - Image gallery, variants, reviews, related products
+- **Cart** - Full shopping cart with order summary
+- **About** - Rich content with your brand story
+- **Contact** - Contact form with business details
+- **Error pages** - Themed 404/500 pages
+
 ### Theme Editor (`/admin/theme`)
+Customise your shop's look without touching code:
 - **8 curated presets** - Gallery, Studio, Boutique, Bold, Playful, Minimal, Night, Classic
-- **Real-time preview** - See changes instantly across 7 page types
+- **Real-time preview** - See changes instantly across all page types
 - **Comprehensive customisation**:
   - Mood (Neutral, Warm, Cool, Dark)
   - Typography (Clean, Editorial, Modern, Classic, Friendly, Minimal)
@@ -18,14 +29,6 @@ A customisable e-commerce theme system built with Phoenix LiveView. Designed for
 - **Logo upload** with optional SVG recolouring
 - **Header image** with zoom and position controls
 
-### Public Storefront
-- Home page with hero, categories, featured products, testimonials
-- Products listing with grid layout
-- Product detail pages with image gallery
-- Shopping cart page
-- About and Contact pages
-- Themed 404/500 error pages
-
 ### Technical Highlights
 - CSS custom properties for instant theme switching
 - Three-layer CSS architecture (primitives → attributes → semantic)