feat: Router 추가

frontend/src/App.jsx

@@ -1,5 +0,0 @@
-function App() {
-  return <div>App</div>;
-}
-
-export default App;

frontend/src/Router.jsx

@@ -0,0 +1,11 @@
+import { createBrowserRouter } from 'react-router-dom';
+import { Home } from './pages/HomePage';
+
+const router = createBrowserRouter([
+  {
+    path: '/',
+    element: <Home />,
+  },
+]);
+
+export default router;

frontend/src/main.jsx

@@ -1,10 +1,18 @@
-import React from 'react'
-import ReactDOM from 'react-dom/client'
-import App from './App.jsx'
-import './index.css'
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { RouterProvider } from 'react-router-dom';
+import router from './Router';
+import './index.css';
+
+const queryClient = new QueryClient({
+  defaultOptions: {},
+});
 
 ReactDOM.createRoot(document.getElementById('root')).render(
   <React.StrictMode>
-    <App />
-  </React.StrictMode>,
-)
+    <QueryClientProvider client={queryClient}>
+      <RouterProvider router={router} />
+    </QueryClientProvider>
+  </React.StrictMode>
+);

frontend/src/pages/HomePage/HomePage.jsx

@@ -0,0 +1,3 @@
+export default function Home() {
+  return <div>Home</div>;
+}

frontend/src/pages/HomePage/index.js

@@ -0,0 +1 @@
+export { default as Home } from './HomePage';