Add outfit gallery and AI-powered creation for characters and outfits

- Add outfit gallery with CRUD operations (create, read, update, delete)
- Add AI-powered profile generation for both characters and outfits
- Add toggle to switch between AI generation and manual creation
- Auto-generate filenames from names with incrementing for duplicates
- Add 'full_body' and 'bottom' fields to wardrobe structure
- Update all character and outfit JSON files with new wardrobe fields
- Reorganize data into data/characters and data/clothing directories
- Update README with new features and JSON structure documentation

templates/layout.html

@@ -18,6 +18,8 @@
         <div class="container">
             <a class="navbar-brand" href="/">Character Browser</a>
             <div class="d-flex">
+                <a href="/" class="btn btn-outline-light me-2">Characters</a>
+                <a href="/outfits" class="btn btn-outline-light me-2">Outfits</a>
                 <a href="/create" class="btn btn-outline-success me-2">Create Character</a>
                 <a href="/generator" class="btn btn-outline-light me-2">Generator</a>
                 <a href="/settings" class="btn btn-outline-light">Settings</a>