Extract dark mode logic into a reusable helper function to improve code clarity and maintainability. Updated the UI layout for better structure and styling, including replacing placeholder logos and enhancing card design.
Add initial project structure including React, Vite, TailwindCSS, and Syncfusion dependencies. Configure tooling with ESLint, TypeScript, and Tailwind plugins. Set up `.gitignore`, Syncfusion themes, and example components for demonstration purposes.
