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/collapsible.tsx

@@ -0,0 +1,21 @@
+"use client"
+
+import { Collapsible as CollapsiblePrimitive } from "@base-ui/react/collapsible"
+
+function Collapsible({ ...props }: CollapsiblePrimitive.Root.Props) {
+  return <CollapsiblePrimitive.Root data-slot="collapsible" {...props} />
+}
+
+function CollapsibleTrigger({ ...props }: CollapsiblePrimitive.Trigger.Props) {
+  return (
+    <CollapsiblePrimitive.Trigger data-slot="collapsible-trigger" {...props} />
+  )
+}
+
+function CollapsibleContent({ ...props }: CollapsiblePrimitive.Panel.Props) {
+  return (
+    <CollapsiblePrimitive.Panel data-slot="collapsible-content" {...props} />
+  )
+}
+
+export { Collapsible, CollapsibleTrigger, CollapsibleContent }