Add src

src/App.jsx

@@ -0,0 +1,31 @@
+import React from 'react';
+import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
+import { Helmet } from 'react-helmet';
+import HomePage from './pages/HomePage';
+import HabitDetailPage from './pages/HabitDetailPage';
+import AddEditHabitPage from './pages/AddEditHabitPage';
+import SettingsPage from './pages/SettingsPage';
+import { Toaster } from './components/ui/toaster';
+
+function App() {
+  return (
+    <Router>
+      <Helmet>
+        <title>HabitGrid - Commit to yourself, one square at a time</title>
+        <meta name="description" content="Track your habits with a beautiful GitHub-style contribution grid. Build streaks, visualize progress, and commit to yourself daily." />
+      </Helmet>
+      <div className="min-h-screen bg-background">
+        <Routes>
+          <Route path="/" element={<HomePage />} />
+          <Route path="/habit/:id" element={<HabitDetailPage />} />
+          <Route path="/add" element={<AddEditHabitPage />} />
+          <Route path="/edit/:id" element={<AddEditHabitPage />} />
+          <Route path="/settings" element={<SettingsPage />} />
+        </Routes>
+        <Toaster />
+      </div>
+    </Router>
+  );
+}
+
+export default App;