Added auth client for Zoho (#828)
Added auth client for Zoho (#828)

Zoho is an enterprise business software provider. They have a massive user base. So it's a very much essential library for developers who want to integrate with Zoho

Co-authored-by: Ben Ramsey <73675debcd8a436be48ec22211dcf44fe0df0a64@benramsey.com>
thephpleague/oauth2-client,stevenmaguire/oauth2-client