scaffold: Vite + React + TypeScript + Vitest project setup

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/App.tsx

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+function App() {
+  return <div>Cameleer3</div>
+}
+
+export default App

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/test-setup.ts

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+import '@testing-library/jest-dom/vitest'

src/vite-env.d.ts

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