message: fix: alert text example
diff: import React from 'react';
  -import { Stack, Alert, Box } from 'native-base';
  +import { Stack, Alert, Box, Text } from 'native-base';
  export function Example() {
  return (
  @@ -8,7 +8,9 @@ export function Example() {
  {['teal', 'red', 'yellow'].map((key: any) => (
  <Alert colorScheme={key} key={key}>
  <Alert.Icon />
  - <Alert.Title>This is a {key} alert</Alert.Title>
  + <Alert.Title>
  + <Text>This is a {key} alert</Text>
  + </Alert.Title>
  </Alert>
  ))}
  </Stack>
  