- completely redesigned UI with modern aesthetic and dark mode support

- renamed to "Palette Craft" with improved branding
- added multiple palette generation algorithms (monochrome, analogous, triadic, etc.)
- implemented color analysis features (contrast checking, colorblindness simulation)
- added palette saving/sharing functionality
- created individual color swatch editor with HSL controls
- replaced jQuery/Materialize with vanilla JavaScript
- improved responsive design for mobile devices
- added CSS export functionality

Author: TobiasMue91