* allows different texts for HTML and text version of the email Signed-off-by: Morris Jobke <hey@morrisjobke.de>
Signed-off-by: Lukas Reschke <lukas@statuscode.ch>
Also adds `\OCP\Mail\IMailer::createEMailTemplate` as helper so the functionality can easily be used within apps. Signed-off-by: Lukas Reschke <lukas@statuscode.ch>