feat: init commit for setup monorepo

apps/docs-dev/src/main.tsx

@@ -0,0 +1,22 @@
+import { createRoot } from 'react-dom/client';
+import typescriptLogo from '/typescript.svg';
+import { Header, Counter } from '@repo/ui';
+import './main.css';
+
+const App = () => (
+  <div>
+    <a href="https://vitejs.dev" target="_blank">
+      <img src="/vite.svg" className="logo" alt="Vite logo" />
+    </a>
+    <a href="https://www.typescriptlang.org/" target="_blank">
+      <img src={typescriptLogo} className="logo vanilla" alt="TypeScript logo" />
+    </a>
+    <Header title="Web" />
+    <div className="card">
+      <h1 className="bg-red-200 text-3xl font-bold underline">Hello world! docs</h1>
+      <Counter />
+    </div>
+  </div>
+);
+
+createRoot(document.getElementById('app')!).render(<App />);