Initial commit — Умный Байт landing

frontend/src/main.tsx

@@ -0,0 +1,19 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import { BrowserRouter, Routes, Route } from 'react-router-dom';
+import { Landing } from './pages/Landing';
+import { AdminLogin } from './admin/AdminLogin';
+import { AdminLayout } from './admin/AdminLayout';
+import './styles/index.css';
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+    <React.StrictMode>
+        <BrowserRouter>
+            <Routes>
+                <Route path="/" element={<Landing />} />
+                <Route path="/admin/login" element={<AdminLogin />} />
+                <Route path="/admin/*" element={<AdminLayout />} />
+            </Routes>
+        </BrowserRouter>
+    </React.StrictMode>
+);