title: axios equivalent of curl -u flag
body: <p>I am trying to implement a frontend in axios for a backend that gives frontend example in curl.  What would the axios equivalent of the following be?  I am not sure how to represent the -u flag.</p>
  <pre><code>curl -X POST http://0.0.0.0:9000/auth -i -u test@example.com:123456
  </code></pre>