Implement complete frontend with admin panel and theme system

- Add admin authentication and dashboard
- Create event management pages (list, create, edit, archive)
- Implement gallery enhancements (search, sorting, bulk download)
- Add email configuration and archive management pages
- Integrate Umami analytics with tracking throughout the app
- Add comprehensive error boundaries and loading states
- Implement accessibility features (WCAG 2.1 AA compliance)
- Create theme system with preset themes and customization
- Add branding settings and company information management
- Fix backend database initialization and health check
- Configure proper API URLs and environment variables

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

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

docker-compose.local.yml

@@ -4,7 +4,7 @@ services:
   backend:
     build: 
       context: ./backend
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.dev
     ports:
       - "3001:3000"
     environment:
@@ -41,9 +41,9 @@ services:
   frontend:
     build:
       context: ./frontend
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.dev
     ports:
-      - "3000:80"
+      - "3005:80"
     environment:
       - NODE_ENV=development
     volumes:
@@ -82,7 +82,7 @@ services:
   file-watcher:
     build: 
       context: ./backend
-      dockerfile: Dockerfile
+      dockerfile: Dockerfile.dev
     environment:
       - NODE_ENV=development
     volumes: