feat: enhance header with notification buttons and user dropdown

- Updated header component to include notification buttons with icons.
- Introduced a new NavUser component for user-related actions in the sidebar.
- Added NotificationDot component for visual notification indicators.
- Created UserCard component to display user information.
- Implemented UserDropdown for user settings and logout functionality.
- Added Avatar component for user images with fallback support.
- Refactored Sheet and Tooltip components for consistency and improved styling.
- Introduced QueryProvider for managing React Query context.
- Updated SidebarProvider to use custom sidebar implementation.
- Enhanced mobile detection hook for better responsiveness.
- Updated dependencies in yarn.lock for new features and fixes.

feat: remove dot

src/components/query-provider.tsx

@@ -1,12 +0,0 @@
-'use client';
-
-import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
-import * as React from 'react';
-
-const queryClient = new QueryClient();
-
-export function QueryProvider({ children }: { children: React.ReactNode }) {
-  return (
-    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
-  );
-}