Gérer les retours de livres par l'admin

my-library/src/App.jsx

@@ -10,6 +10,7 @@ import BookDetail from './pages/BookDetail';
 import Customers from './pages/Customers';
 import Login from './pages/Login';
 import Reservations from './pages/Reservations';
+import Returns from './pages/Returns';
 import { useAuth } from './context/AuthContext';
 
 function RequireAuth({ children }) {
@@ -37,6 +38,7 @@ export default function App() {
         <Route path="reservations" element={<RequireAuth><Reservations /></RequireAuth>} />
         <Route path="profile" element={<RequireAuth><Profile /></RequireAuth>} />
         <Route path="customers" element={<RequireAdmin><Customers /></RequireAdmin>} />
+        <Route path="returns" element={<RequireAdmin><Returns /></RequireAdmin>} />
         <Route path="*" element={<NotFound />} />
       </Route>
     </Routes>