🚸 Routing in the box

Co-authored-by: Amalie Erdal Mansåker <amalie.erdal.mansaker@nav.no>
Co-authored-by: Øydis Kind Refsum <oydis.kind.refsum@nav.no>

frontend/src/main.tsx

@@ -1,10 +1,23 @@
 import React from 'react'
 import ReactDOM from 'react-dom/client'
+import { RouterProvider, createBrowserRouter } from 'react-router-dom'
 import './index.css'
-import Home from './index.tsx'
+import Home from './index'
+import Feil from './pages/feil'
+
+const router = createBrowserRouter([
+  {
+    path: "/",
+    element: <Home />,
+  },
+  {
+    path: "nyfeil",
+    element: <Feil />
+  }
+])
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>
-    <Home />
+    <RouterProvider router={router} />
   </React.StrictMode>,
 )