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/spinner.tsx

@@ -0,0 +1,10 @@
+import { cn } from "@/lib/utils"
+import { Loader2Icon } from "lucide-react"
+
+function Spinner({ className, ...props }: React.ComponentProps<"svg">) {
+  return (
+    <Loader2Icon role="status" aria-label="Loading" className={cn("size-4 animate-spin", className)} {...props} />
+  )
+}
+
+export { Spinner }