message: docs(index): use actual description for meta-tag
  Adds an actual description to the Landing-Page in the meta-tag
diff: @@ -43,7 +43,7 @@ function Home() {
  const { siteConfig = {} } = context;
  return (
  - <Layout title={`Welcome to ${siteConfig.title}`} description="Description will go into a meta tag in <head />">
  + <Layout title={`Welcome to ${siteConfig.title}`} description={siteConfig.tagline}>
  <header className={clsx('hero hero--primary', styles.heroBanner)}>
  <div className="container">
  <h1 className="hero__title">{siteConfig.title}</h1>
  