- Adjusted the layout of the `.day-indicator` to use a fixed width for better alignment.
- Modified the `.day-indicator-dot` styles to enhance flexibility and visual appearance, including changes to height and border-radius for better presentation.
- Ensured that the first and last dots have distinct border-radius styles when not the only child, improving the overall aesthetics of the calendar display.
- No functional changes were made; the focus was on enhancing the visual presentation of the calendar component.
- Added Node.js setup and webapp testing steps to the CI workflow for improved integration.
- Updated HTML to link multiple CSS files for better modularity and organization of styles.
- Removed deprecated `style.css` and introduced new CSS files for base styles, calendar, day detail, hints, markers, states, and duty list to enhance maintainability and readability.
- Implemented new styles for improved presentation of duty information and user interactions.
- Added unit tests for new API functions and contact link rendering to ensure functionality and reliability.
