- Introduced a new "Appearance" settings section in the settings modal to allow users to select between "Light" and "Dark (Experimental)" themes.
- Updated the application initialization to apply the saved UI theme immediately on page load.
- Enhanced the settings UI to load and save the selected theme.
- Implemented CSS variables for the new experimental dark theme, including color adjustments for various UI elements.
- Updated existing styles to support theme switching, ensuring proper color contrast and readability in both light and dark modes.
- Introduced a new modal for managing datasets, including options to create, view, and delete datasets.
- Implemented IndexedDB for persistent storage of datasets, allowing for efficient data retrieval and management.
- Added UI components for dataset details, including statistics and preview.
- Enhanced the app's JavaScript to handle dataset operations such as saving, updating, and deleting datasets.
- Integrated dataset reference resolution in the visualization editor to support dynamic data sources.
- Updated styles for the new modal and dataset management UI for improved user experience.
