feat: add UI components and utilities

- Introduced Skeleton component for loading states.
- Added Slider component with customizable properties.
- Implemented Sonner for toast notifications with icons.
- Created Spinner component for loading indicators.
- Developed Switch component for toggle functionality.
- Added Table component with subcomponents for structured data display.
- Implemented Tabs component for tabbed navigation.
- Created Textarea component for multi-line text input.
- Developed ToggleGroup and Toggle components for grouped toggle functionality.
- Added Tooltip component for contextual hints.
- Implemented useIsMobile hook for responsive design.
- Updated global styles with Tailwind CSS and custom properties.
- Added utility functions for class name management.
- Configured TypeScript paths for easier imports.
- Updated Vite configuration to include Tailwind CSS and path aliases.

libertas-frontend/src/components/ui/progress.tsx

@@ -0,0 +1,29 @@
+import * as React from "react"
+import * as ProgressPrimitive from "@radix-ui/react-progress"
+
+import { cn } from "@/lib/utils"
+
+function Progress({
+  className,
+  value,
+  ...props
+}: React.ComponentProps<typeof ProgressPrimitive.Root>) {
+  return (
+    <ProgressPrimitive.Root
+      data-slot="progress"
+      className={cn(
+        "bg-primary/20 relative h-2 w-full overflow-hidden rounded-full",
+        className
+      )}
+      {...props}
+    >
+      <ProgressPrimitive.Indicator
+        data-slot="progress-indicator"
+        className="bg-primary h-full w-full flex-1 transition-all"
+        style={{ transform: `translateX(-${100 - (value || 0)}%)` }}
+      />
+    </ProgressPrimitive.Root>
+  )
+}
+
+export { Progress }