lesson 1, chapter 1: project setup

src/App.tsx

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+export function App() {
+  return <div>Hello</div>
+}

src/main.tsx

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+import { StrictMode } from 'react'
+
+import { createRoot } from 'react-dom/client'
+
+import { App } from '@/App'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>
+)

src/vite-env.d.ts

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+/// <reference types="vite/client" />