Add attachments support

[andresantos78]

Hello
You can include support for sending email with attachments?

http://docs.aws.amazon.com/ses/latest/DeveloperGuide/send-email-raw.html

Congratulations on the excellent work.

[fabioxgn]

Hi @andresantos78 thanks for the interest in our project.

Right now we have no plans to add attachment support very soon, if you need this feature, we would be happy to accept a Pull Request.

Thanks.