chore: update example background

Author: kacperkapusciak

example/src/App.tsx

@@ -58,8 +58,7 @@ const styles = StyleSheet.create({
   container: {
     flex: 1,
     alignItems: 'center',
-    padding: 24,
-    margin: 24,
+    backgroundColor: '#fff',
   },
   label: {
     fontSize: 24,