Add home screen view options

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/app.tsx

@@ -8,7 +8,7 @@ import { Meme, Tag } from './database';
 import NavigationContainer from './navigation';
 import { SettingsProvider } from './contexts';
 
-function App() {
+const App = () => {
   const colorScheme = useColorScheme();
   const isDarkMode = colorScheme === 'dark';
   const theme = isDarkMode ? darkTheme : lightTheme;
@@ -28,6 +28,6 @@ function App() {
       </PaperProvider>
     </RealmProvider>
   );
-}
+};
 
 export default App;