6.1.0

This release upgrades the client for Gotenberg 6.1.0.

New features

Custom HTTP headers

# remote URL
$request = new URLRequest('https://google.com');
$request->addRemoteURLHTTPHeader('A-Header', 'Foo');

# webhook URL
$request = new URLRequest('https://google.com');
$request->setWebhookURL('https://google.com');
$request->addWebhookURLHTTPHeader('A-Header', 'Foo');

Page ranges

$request = new URLRequest('https://google.com');
$request->setPageRanges('1-1');

Improvements

• Improved README (fixes #9).