message: fix: checkboxgroup example
diff: import React from 'react';
  -import { Checkbox, Heading, HStack, Text, View } from 'native-base';
  +import {
  + Checkbox,
  + Heading,
  + HStack,
  + VStack,
  + Text,
  + View,
  + Box,
  +} from 'native-base';
  export default function () {
  const [groupValue, setGroupValue] = React.useState(['Item 1 ', 'Item 3 ']);
  @@ -32,12 +40,14 @@ export default function () {
  <Text mx={2}>Indeterminate Item</Text>
  </Checkbox>
  </Checkbox.Group>
  - <HStack mt={3} alignItems="baseline">
  + <VStack mt={3}>
  + <Box>
  <Text fontSize="md">Selected Values: </Text>
  <Text fontSize="md" bold>
  {groupValue}
  </Text>
  - </HStack>
  + </Box>
  + </VStack>
  </View>
  );
  }
  