feat: add not found page (#22)

src/routes.tsx

@@ -2,6 +2,7 @@ import React, { lazy, Suspense } from 'react';
 import { Routes, Route } from 'react-router-dom';
 import { PageSpinner } from './components';
 import Arm from './pages/arm';
+import NotFound from './pages/notFound/notFound';
 
 const Landing = lazy(() => import('./pages/landing'));
 const OrderForm = lazy(() => import('./pages/order-form'));
@@ -19,9 +20,9 @@ const Routers = () => {
           <Route path='order-view' element={<OrderView />} />
         </Route>
         <Route path='/dry-wash/arm/*' element={<Arm />}></Route>
+        <Route path='*' element={<NotFound />} />
       </Routes>
     </Suspense>
-
   );
 };