Docs/tutorial (#9182)

* docs: add syntax highligting

* docs: copypaste error

* docs: add error line

* docs: add to contributors

* fix(): merge conflict

* fix: remove bad lines

* fix: remove bad lines

Author: infoxicator

docs/getting-started/tutorial.md

@@ -67,10 +67,9 @@ The `main.jsx` file is the entry point. Open it up and we'll put React Router on
 
 👉 **Add [`DataBrowserRouter`][databrowserrouter] and a [`Route`][route] to `main.jsx`**
 
-```jsx lines=[4, 9-11] bad lines=[3] filename=src/main.jsx
+```jsx lines=[3,8-10] filename=src/main.jsx
 import React from "react";
 import ReactDOM from "react-dom/client";
-import App from "./App";
 import { DataBrowserRouter, Route } from "react-router-dom";
 import "./index.css";