basic structure setup

frontend/src/main.tsx

@@ -0,0 +1,15 @@
+import { StrictMode } from 'react'
+import ReactDOM from 'react-dom/client'
+import { RouterProvider } from '@tanstack/react-router'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { router } from './routes'
+
+const queryClient = new QueryClient()
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <QueryClientProvider client={queryClient}>
+      <RouterProvider router={router} />
+    </QueryClientProvider>
+  </StrictMode>,
+)