- Add comprehensive configuration management with tabs for paths, compression, and fixed paths
- Implement dynamic editing of path mappings, extension maps, and compression settings
- Support importing and exporting configuration as JSON
- Add dialogs for adding and editing configuration entries
- Improve configuration page with more interactive and user-friendly controls
- Remove legacy static files, templates, and JavaScript
- Update main.go to serve SPA-style web application
- Modify admin route handling to support client-side routing
- Simplify configuration and metrics API endpoints
- Remove server-side template rendering in favor of static file serving
- Update Dockerfile and GitHub Actions to build web frontend