- Added `ToastProvider` to `RootLayout` for improved user feedback on theme changes.
- Updated `ThemeProvider` to display toast notifications with theme names and icons upon theme changes.
- Refactored theme-related imports to streamline code and improve maintainability.
- Simplified background cycling logic in `useBackgroundCycle` to utilize centralized background definitions.
- Cleaned up unused background definitions in `BackgroundContext` for better clarity and performance.
- Removed preserved custom URL handling and replaced it with a custom images array for better management of user-added backgrounds.
- Updated the component to allow adding, selecting, and removing custom images, improving user experience and flexibility.
- Adjusted background cycling logic to include custom images, ensuring a seamless integration with existing backgrounds.
- Adjusted gradient definitions for various themes to enhance visual appeal and consistency.
- Added new gradient presets (sunset, ocean, forest, galaxy) to the BackgroundContext for broader customization options.
- Cleaned up unused console logs in useBackgroundCycle for better performance and readability.
- Added `GlobalKeyboardShortcuts` component to manage global keyboard shortcuts.
- Introduced new keyboard shortcut (Shift + B) for changing the background.
- Updated `BackgroundImageSelector` to preserve custom background URLs and allow restoration of previously set backgrounds.
- Improved local storage handling for custom backgrounds to enhance user experience.
