added Material UI and some buttons

src/GarageApp/App.tsx

@@ -5,6 +5,9 @@ import { useTranslation, withTranslation, Trans } from 'react-i18next';
 
 import logo from "./logo.svg";
 import reactLogo from "./react.svg";
+import Button from '@mui/material/Button';
+
+import button from "./modules/DummyButton"
 
 export function App() {
    const { t, i18n } = useTranslation();
@@ -20,6 +23,8 @@ export function App() {
         Edit <code>src/App.tsx</code> and save to test HMR
       </p>
 	  <h1>{t ('statistics')}</h1>
+	  <button />
+	  <Button variant="contained">Temp Button</Button>
 	  <h1>{t ('yourvehicles')}</h1>
     </div>
   );