* Fix typo in managing user account membership with SAML assertion
* Support more config options from Docker env.
* Improve support for SAML key and cert from Docker secrets
Co-authored-by: Ian Bobbitt <ibobbitt@globalnoc.iu.edu>
This allows for easy setup with no extra configuration.
Also update docs to reflect the new and easy way to run PowerDNS-Admin.
Signed-off-by: Felix Kaechele <felix@kaechele.ca>