feat: add Radix UI components and implement sidebar functionality

- Added new Radix UI components: Dialog, Tooltip, Separator, and updated existing components.
- Introduced a Sidebar component with collapsible functionality and mobile responsiveness.
- Implemented a custom hook `useIsMobile` to manage mobile state.
- Updated package dependencies in package.json and yarn.lock for new components.
- Created utility components such as Button, Skeleton, and Input for consistent styling.

feat: add AppSidebar component with collapsible functionality and sidebar menu

- Introduced AppSidebar component for a customizable sidebar layout.
- Implemented collapsible sections using Radix UI's Collapsible component.
- Added sidebar menu items with icons and links for navigation.
- Created Sidebar UI components including SidebarHeader, SidebarFooter, and SidebarMenu.
- Integrated ThemePicker for theme selection within the sidebar.
- Updated sidebar styles and layout for better responsiveness.

chore: add @radix-ui/react-collapsible dependency

- Added @radix-ui/react-collapsible package to manage collapsible UI elements.

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
+}