message: microsite: run prettier on demo page
diff: @@ -19,15 +19,12 @@ const Background = props => {
  <Block.TextBox>
  <Block.Title>See us in action</Block.Title>
  <Block.Paragraph>
  - To explore the UI and basic features of Backstage firsthand, go to: {' '}
  - <a href="https://demo.backstage.io">
  - demo.backstage.io
  - </a>
  - .
  + To explore the UI and basic features of Backstage firsthand, go
  + to: <a href="https://demo.backstage.io">demo.backstage.io</a>.
  </Block.Paragraph>
  <Block.Paragraph>
  - Watch the videos below to get an introduction to Backstage and
  - to see how we use different plugins to customize {' '}
  + Watch the videos below to get an introduction to Backstage and to
  + see how we use different plugins to customize{' '}
  <a href="https://engineering.atspotify.com/2020/04/21/how-we-use-backstage-at-spotify/">
  our internal version of Backstage at Spotify
  </a>
  