Integrate with Encrypt for password storage

andreasderijcke → changed the visibility of the branch 3314345-integrate-with-encrypt to hidden.

I work with JI_Gravityworks and have seen it working on the site where she needed it, but I also needed this for a second site and have confirmed that it's working there as well. Marking as RTBC. Thank you!

As alternative (to not expose the password in the Git repo) we can always "override" the configs and not post the password directly in the SMTP settings form.

Instead just add it in the site's settings.php file like:

$config['smtp.settings']['smtp_password'] = 'MYSUPERPASSHERE';.