Add Settings route to application

frontend/src/App.tsx

@@ -2,6 +2,7 @@ import { BrowserRouter as Router, Routes, Route, Navigate } from 'react-router-d
 import { AuthProvider, useAuth } from './contexts/AuthContext';
 import Login from './pages/Login';
 import Dashboard from './pages/Dashboard';
+import Settings from './pages/Settings';
 
 // Protected route wrapper
 function ProtectedRoute({ children }: { children: React.ReactNode }) {
@@ -72,6 +73,15 @@ function App() {
             }
           />
 
+          <Route
+            path="/settings"
+            element={
+              <ProtectedRoute>
+                <Settings />
+              </ProtectedRoute>
+            }
+          />
+
           {/* Default route */}
           <Route path="/" element={<Navigate to="/dashboard" replace />} />