feat: add UI components and utilities

- Introduced Skeleton component for loading states.
- Added Slider component with customizable properties.
- Implemented Sonner for toast notifications.
- Created Switch component for toggle functionality.
- Developed Table component with header, body, footer, and cell subcomponents.
- Added Tabs component with list, trigger, and content subcomponents.
- Implemented Tooltip component with provider, trigger, and content.
- Created useIsMobile hook for responsive design.
- Added global styles in index.css with custom properties.
- Implemented utility function for class name merging.
- Set up main entry point for the application.
- Configured TypeScript settings for the application and node.
- Set up Vite configuration with React and Tailwind CSS support.

src/hooks/use-mobile.ts

@@ -0,0 +1,19 @@
+import * as React from "react"
+
+const MOBILE_BREAKPOINT = 768
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined)
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`)
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    }
+    mql.addEventListener("change", onChange)
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    return () => mql.removeEventListener("change", onChange)
+  }, [])
+
+  return !!isMobile
+}