title: ZIP file content type for HTTP request
body: <p>I am sending a zip file to server via HTTPREQUEST. What should be the <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Type" rel="noreferrer"><code>Content-Type</code></a> HTTP header <em>value</em> for this kind of file?</p>
  
  <p>The file is a ZIP archive that contains images on type PNG.</p>
  
  <p>Thanks </p>