Updates to account, ui, etc

ui/src/main.tsx

@@ -8,6 +8,7 @@ import { UserProvider } from '@components/context/UserProvider.tsx';
 import { BrowserRouter, Route, Routes } from 'react-router';
 import { Profile } from '@components/Profile.tsx';
 import { Administration } from '@components/Administration.tsx';
+import { NotFound } from '@components/NotFound';
 
 const theme = createTheme({
   fontFamily: 'Inter, sans-serif'
@@ -23,6 +24,7 @@ createRoot(document.getElementById('root')!).render(
             <Route path='/' element={<App />} />
             <Route path='/profile' element={<Profile />} />
             <Route path='/administration' element={<Administration />} />
+            <Route path='*' element={<NotFound />} />
           </Routes>
         </UserProvider>
       </MantineProvider>