feat: Add photo galleries to services, resource types management, and UI improvements

Major features:
- Add drag-and-drop photo gallery to Service create/edit modals
- Add Resource Types management section to Settings (CRUD for custom types)
- Add edit icon consistency to Resources table (pencil icon in actions)
- Improve Services page with drag-to-reorder and customer preview mockup

Backend changes:
- Add photos JSONField to Service model with migration
- Add ResourceType model with category (STAFF/OTHER), description fields
- Add ResourceTypeViewSet with CRUD operations
- Add service reorder endpoint for display order

Frontend changes:
- Services page: two-column layout, drag-reorder, photo upload
- Settings page: Resource Types tab with full CRUD modal
- Resources page: Edit icon in actions column instead of row click
- Sidebar: Payments link visibility based on role and paymentsEnabled
- Update types.ts with Service.photos and ResourceTypeDefinition

Note: Removed photos from ResourceType (kept only for Service)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

frontend/CLAUDE.md

@@ -1,5 +1,36 @@
 # SmoothSchedule Frontend Development Guide
 
+## Project Overview
+
+This is the React frontend for SmoothSchedule, a multi-tenant scheduling platform.
+
+**See also:** `/home/poduck/Desktop/smoothschedule2/smoothschedule/CLAUDE.md` for backend documentation.
+
+## Key Paths
+
+```
+/home/poduck/Desktop/smoothschedule2/
+├── frontend/                         # This React frontend
+│   ├── src/
+│   │   ├── api/client.ts             # Axios API client
+│   │   ├── components/               # Reusable components
+│   │   ├── hooks/                    # React Query hooks (useResources, useAuth, etc.)
+│   │   ├── pages/                    # Page components
+│   │   ├── types.ts                  # TypeScript interfaces
+│   │   ├── i18n/locales/en.json      # English translations
+│   │   └── utils/cookies.ts          # Cookie utilities
+│   ├── .env.development              # Frontend env vars
+│   └── vite.config.ts                # Vite configuration
+│
+└── smoothschedule/                   # Django backend (runs in Docker!)
+    ├── docker-compose.local.yml      # Docker config
+    ├── .envs/.local/                 # Backend env vars
+    ├── config/settings/              # Django settings
+    └── smoothschedule/
+        ├── schedule/                 # Core scheduling app
+        └── users/                    # User management
+```
+
 ## Local Development Domain Setup
 
 ### Why lvh.me instead of localhost?