Html Emails support

Hi, Im the plugin author of email templates plugin.

Could you please add a filter hook in your plugin so I can replace the mail content with an HTML template ?

For your reference this is how I do regular it for phpmailer:

/**
	 * Modify php mailer body with final email
	 *
	 * @since 1.0.0
	 * @param object $phpmailer
	 */
	function send_email( &$phpmailer ) {
		do_action( 'mailtpl/send_email', $phpmailer, $this );
		$message            =  $this->add_template( apply_filters( 'mailtpl/email_content', $phpmailer->Body ) );
		$phpmailer->AltBody =  $this->replace_placeholders( strip_tags($phpmailer->Body) );
		$phpmailer->Body    =  $this->replace_placeholders( $message );

	}

But it seems that you create a new instance of phpmailer instead of using existing one, so that is not working. A hook will solve this.

Other plugins like mailgun or mandrill that uses their own functions or API have hooks to modify the html and I do something like this:

	/**
	 * Mandrill Compatibility
	 * @param $message Array
	 *
	 * @return Array
	 */
	public function send_email_mandrill( $message ) {
		do_action( 'mailtpl/send_email_mandrill', $message, $this );
		$temp_message       =  $this->add_template( apply_filters( 'mailtpl/email_content', $message['html'] ) );
		$message['html']    =  $this->replace_placeholders( $temp_message );
		return $message;
	}

A couple of your users will be happy to make both plugins works together. Thanks!