message: README styling
diff: </a>
  </p>
  ----
  -<h1 align="center">Hasura Backend Plus ( HBP )</h1>
  +<h2 align="center">Hasura Backend Plus ( HBP )</h2>
  <h4 align="center">Auth & Files (S3-compatible Object Storage) for Hasura</h4>
  ---
  