feat: refactor UI components and introduce new ones

- Updated toggle component to use new radix-ui import and improved styles.
- Refactored tooltip component to align with new radix-ui structure and enhanced styles.
- Added button group component for better button organization.
- Introduced chart component with responsive design and tooltip functionality.
- Created empty state components for better user experience.
- Developed field components for form handling with improved accessibility.
- Added input group component for better input management.
- Introduced item components for structured content display.
- Created keyboard shortcut components for better user interaction.
- Added spinner component for loading states.

src/components/ui/skeleton.tsx

@@ -4,7 +4,7 @@ function Skeleton({ className, ...props }: React.ComponentProps<"div">) {
   return (
     <div
       data-slot="skeleton"
-      className={cn("bg-accent animate-pulse rounded-md", className)}
+      className={cn("bg-muted rounded-md animate-pulse", className)}
       {...props}
     />
   )