message: feat(translations): add example language change
diff: import React from 'react';
  -import { useTranslation } from 'react-i18next';
  +import { getI18n, useTranslation } from 'react-i18next';
  import ExampleContainer from '../containers/exampleContainer';
  const Index: React.FC = () => {
  const { t } = useTranslation();
  + const toggleLanguage = () => {
  + const i18n = getI18n();
  +
  + i18n.changeLanguage(i18n.language === 'en' ? 'pt' : 'en');
  + };
  +
  return (
  <>
  <h3>{t('welcome')}</h3>
  + <button type="button" onClick={toggleLanguage}>Toggle Language</button>
  <div>
  Reach4Help
  <ExampleContainer />
  