- implement dark mode with tailwind configuration and theme toggle

- add responsive UI with improved layout and styling
- create tabbed interface for different chart types (camera, exposure, ISO, lens)
- improve EXIF data display with categorized view option
- integrate leaflet.js for map visualization of GPS coordinates
- add help modal with usage instructions
- implement collection statistics section
- enhance image thumbnails with better selection UI
- add tooltips for improved user experience
- fix exposure time formatting and categorization
- add clear button functionality
- improve drag and drop interface with visual feedback

Author: TobiasMue91