Add: Prominent 'Shop plain items' section to homepage

Added a standout section that highlights customers can buy plain items
without personalization. Features:
- Eye-catching orange gradient background
- Clear messaging about skipping the design step
- Direct link to plain items collection
- Positioned between path choice and gallery sections

.claude/settings.local.json

@@ -84,7 +84,8 @@
       "Bash(git commit -m 'Fix: Route photo requests to design canvas instead of approval upload *)",
       "Bash(git commit -m 'Fix: Pass photo request ID instead of data URL *)",
       "Bash(git commit -m 'Feature: Add product selection when starting design from photo request *)",
-      "Bash(git commit -m 'Refactor: Move start design server action to separate file *)"
+      "Bash(git commit -m 'Refactor: Move start design server action to separate file *)",
+      "Bash(git commit -m 'Add: Prominent '\\\\''Shop plain items'\\\\'' section to homepage *)"
     ]
   }
 }