chore: clean .gitignore cache

frontend/src/main.tsx

@@ -1,33 +0,0 @@
-import React from 'react'
-import ReactDOM from 'react-dom/client'
-import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
-import App from './App.tsx'
-import { ThemeProvider } from './context/ThemeContext'
-import { LanguageProvider } from './context/LanguageContext'
-import './i18n'
-import './index.css'
-
-// Global query client with optimized defaults for performance
-const queryClient = new QueryClient({
-  defaultOptions: {
-    queries: {
-      staleTime: 1000 * 30, // 30 seconds - reduces unnecessary refetches
-      gcTime: 1000 * 60 * 5, // 5 minutes garbage collection
-      refetchOnWindowFocus: false, // Prevents refetch when switching tabs
-      refetchOnReconnect: 'always', // Refetch when network reconnects
-      retry: 1, // Only retry failed requests once
-    },
-  },
-})
-
-ReactDOM.createRoot(document.getElementById('root')!).render(
-  <React.StrictMode>
-    <QueryClientProvider client={queryClient}>
-      <ThemeProvider>
-        <LanguageProvider>
-          <App />
-        </LanguageProvider>
-      </ThemeProvider>
-    </QueryClientProvider>
-  </React.StrictMode>,
-)