message: feat(about.tsx): use custom namespaces
diff: import AboutPage from 'components/about/AboutPage'
  +import { GetStaticProps } from 'next'
  +
  +export const getStaticProps: GetStaticProps = async () => ({
  + props: {
  + i18nNamespaces: ['common', 'about'],
  + },
  +})
  export default AboutPage
  