feat: add UI components for skeleton, slider, sonner, spinner, switch, table, tabs, textarea, toggle group, toggle, tooltip, and mobile hook

- Implemented Skeleton component for loading placeholders.
- Created Slider component with customizable properties.
- Added Sonner component for toast notifications with icons.
- Developed Spinner component for loading indicators.
- Introduced Switch component for toggle functionality.
- Built Table component with header, body, footer, and cell subcomponents.
- Added Tabs component with list, trigger, and content subcomponents.
- Created Textarea component for user input.
- Implemented ToggleGroup and Toggle components for grouped toggle functionality.
- Developed Tooltip component with provider, trigger, and content subcomponents.
- Added useIsMobile hook to detect mobile device viewport.

src/components/ui/scroll-area.tsx

@@ -0,0 +1,55 @@
+"use client"
+
+import * as React from "react"
+import { ScrollArea as ScrollAreaPrimitive } from "@base-ui/react/scroll-area"
+
+import { cn } from "@/lib/utils"
+
+function ScrollArea({
+  className,
+  children,
+  ...props
+}: ScrollAreaPrimitive.Root.Props) {
+  return (
+    <ScrollAreaPrimitive.Root
+      data-slot="scroll-area"
+      className={cn("relative", className)}
+      {...props}
+    >
+      <ScrollAreaPrimitive.Viewport
+        data-slot="scroll-area-viewport"
+        className="size-full rounded-[inherit] transition-[color,box-shadow] outline-none focus-visible:ring-[3px] focus-visible:ring-ring/50 focus-visible:outline-1"
+      >
+        {children}
+      </ScrollAreaPrimitive.Viewport>
+      <ScrollBar />
+      <ScrollAreaPrimitive.Corner />
+    </ScrollAreaPrimitive.Root>
+  )
+}
+
+function ScrollBar({
+  className,
+  orientation = "vertical",
+  ...props
+}: ScrollAreaPrimitive.Scrollbar.Props) {
+  return (
+    <ScrollAreaPrimitive.Scrollbar
+      data-slot="scroll-area-scrollbar"
+      data-orientation={orientation}
+      orientation={orientation}
+      className={cn(
+        "flex touch-none p-px transition-colors select-none data-horizontal:h-2.5 data-horizontal:flex-col data-horizontal:border-t data-horizontal:border-t-transparent data-vertical:h-full data-vertical:w-2.5 data-vertical:border-l data-vertical:border-l-transparent",
+        className
+      )}
+      {...props}
+    >
+      <ScrollAreaPrimitive.Thumb
+        data-slot="scroll-area-thumb"
+        className="relative flex-1 rounded-full bg-border"
+      />
+    </ScrollAreaPrimitive.Scrollbar>
+  )
+}
+
+export { ScrollArea, ScrollBar }